Tassili n'Ajjer

Country
Algeria
Inscribed in
1982
Criteria
(i)
(iii)
(vii)
(viii)
The conservation outlook for this site has been assessed as "good with some concerns" in the latest assessment cycle. Explore the Conservation Outlook Assessment for the site below. You have the option to access the summary, or the detailed assessment.

Located in a strange lunar landscape of great geological interest, this site has one of the most important groupings of prehistoric cave art in the world. More than 15,000 drawings and engravings record the climatic changes, the animal migrations and the evolution of human life on the edge of the Sahara from 6000 BC to the first centuries of the present era. The geological formations are of outstanding scenic interest, with eroded sandstones forming ‘forests of rock’. © UNESCO

Patrick Gruban CC BY SA 2.0

Summary

2025 Conservation Outlook

Finalised on
11 Oct 2025
Good with some concerns
The Conservation Outlook for Tassili n’Ajjer in relation to its World Heritage values appears to be good overall, but there are issues relating to tourism management. Limited staff capacity and training affect the extent to which the current management system can address this. Overall there is limited information available on the threat from tourism activities and the associated impacts on the heritage values, however there do seem to be negative impacts on key attributes due to direct damage to the site, construction of associated infrastructure and roads and pollution. UNDP-GEF project work appears to have facilitated the strengthening of laws and their enforcement, management and capacity, however further implementation of management actions is required, most importantly the finalisation of a management plan for the site.

Current state and trend of VALUES

Low Concern
The geo-morphological values of Tassili n’Ajjer were considered to be relatively well-preserved at the time of inscription, because of the remoteness and difficulty of access to the area. Some concern arises from reports of tourists littering and drawing on rock paintings and lack of law enforcement effectiveness. The potential effects on the OUV of energy related infrastructure is difficult to assess due to the lack of information, but it is potentially of concern.

Overall THREATS

Low Threat
Although there is information on potentially adverse impacts, especially from tourism activities on the World Heritage values, it is difficult to assess the degree of impacts without accurate information on the extent of damage, number of occurrences and regular monitoring of the geoheritage values. Increased tourism could lead to further direct damage to the site and there are reports of inappropriate and destructive tourism practices. Due to the vastness of the site and security challenges in the region, law enforcement is challenging. Increasing tourism could potentially lead to the construction of roads and facilities which would affect key attributes if not effectively managed, and could also pose a threat to the additional biodiversity values. Poaching and the overexploitation of vegetation due to the commercial production of fuelwood, the collection of medicinal and forage plants and localised overgrazing place pressure on biodiversity and ecosystem services in the Tassili-Ahaggar complex. Several projects for energy production and transformation in the region are possible, such as the gas pipeline between Illizi and Djanet crossing the site, which could have the potential to pose a threat to the site's values, however information remains limited.

Overall PROTECTION and MANAGEMENT

Some Concern
Protection and management at the site level has benefitted from the now completed UNDP-GEF project "Preservation of biodiversity of global interest and sustainable use of ecosystem services in cultural parks in Algeria". As a priority site Tassili n'Ajjer has developed collaborative management mechanisms and a systematic monitoring approach. This has improved data collection and decision-making. Nevertheless, threats from tourism affect the aesthetic and geological heritage values and current management measures seem ineffective at enforcing laws and regulations to prevent littering and damage to rock paintings. Furthermore, the fact that there is currently no approved management plan in place is a serious concern for such a complex and extended site. Although a multisectoral action plan was finalised in 2021 to secure the cultural and natural heritage of the Tassili N'Ajjer cultural park in the territory of the wilaya of Djanet, the extent to which this improves the management of the site remains to be seen.

Full assessment

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Description of values

Geological records as evidence of transition of hydrographic system from fluvial to hyper-arid conditions.

Criterion
(viii)
The site contains signs of intense fluvial erosion on sandstone plateau. Geological conformation includes Precambrian crystalline elements and sedimentary sandstone successions of great palaeo-geographical, palaeo-climatological and palaeo-ecological interest (UNEP-WCMC, 2011).

The exceptional scenic beauty of deeply eroded cliffs, gorges, and valleys

Criterion
(vii)
The panorama of geological formations with "rock forests" of eroded sandstone resembles a strange lunar landscape that has remarkable scenic interest. The sandstone has kept intact the traces and marks of the major geological and climatic events. The erosive effects of water, and then wind, have contributed to the formation of a particular morphology: a plateau carved by water and softened by the wind (World Heritage Committee, 2010).
Additional biodiversity values
This site is a critical contribution to the Saharan biodiversity and is potentially one of the prime sites for desert biodiversity conservation worldwide (Salah, 2021: GEF, 2011). The deep valleys of the site form a centre of relict Mediterranean as well as Sudano-Decan and Saharo-Sindien vegetation and flora, and a centre of plant diversity (total 300 species – GEF, 2011). This includes 73 endemic species, the globally endangered Saharan Cypress (less than 240 specimens remaining) and 33 additional, nationally threatened plant species (GEF, 2011).

There is a rich submerged vegetation in the water bodies across the site and a relatively rich vertebrate fauna, with four species of fish, 14 species of herpetofauna, 37 species of mammals (five of which are endangered) including 23 species of large mammals (including the globally vulnerable cheetah and, before it became locally extinct, the critically endangered Addax). The presence of Tanymastigites ajjeri, a large branchiopod belonging to the order Anostraca, has been recorded in Algeria for the first time at the site. This represents only the second record of the species worldwide since its discovery in Libya in 2022. This discovery not only expands the list of large branchiopods in Algeria to twenty-four species, but also enriches the understanding of the distribution range of the hypothetically microendemic T. ajjeri, a species on which little information is currently available, in the Sahara (Chergui et al., 2024).

The site also harbours a community of residential and resting migratory Palaearctic birds (including the globally vulnerable Lesser Kestrel) (GEF, 2011, UNEP-WCMC, 2011). There are a total of 134 bird species at the site, 14 of which are regional endemics (GEF, 2011). The mosaic of more arid and other more humid areas within the site contributes to its considerable biodiversity. The area is also an Important Bird Area and together with the neighbouring Ahaggar complex comprises three Ramsar sites (Wetlands International, 2013; BirdLife International, 2013).

Heritage of the Tuaregs
Tassili is the land of the Tuaregs. These mythical blue men who still roam the desert today, rely only on the stars to orient themselves and annually celebrate an ancestral festival called the Sbeiba, attracting a considerable number of people from the Great Southern Africa and Africa to attend (Boumelit, 2023). The Sbeiba is a sacred dance, Warriors try to impress the women present with their dances, and it becomes an opportunity for members of the Tuareg tribes in Djanet to choose a spouse. This traditional celebration held in the Djanet region of Tassili, commemorating the peace agreement established between two major tribes in Tassili centuries ago. The festival is believed to date back approximately 3,000 years and has subsequently become associated with religious practices, now coinciding with the Islamic commemoration of Ashura, which also aligns with the day of the Pharaoh's drowning and the salvation of Moses.
Rock art depicting the relationship between humans and the environment
The rock art of Tassili n'Ajjer is the most eloquent expression of relationships between humans and the environment, with more than 15,000 drawings and engravings dating back to more than 10000 BC (the very ancient drawings in Tadrart, south of Tassili, date back more than 20,000 years) testifying to climate changes, wildlife and livestock migrations, and the evolution of humankind on the edge of the Sahara (Salah, 2021). This art depicts water-dependent species like the hippopotamus, and species which have been extinct in the region for thousands of years (World Heritage Committee, 2010).

Assessment information

Low Threat
There appears to be very limited information on current threats to the aesthetic and geological values of the site, however tourism seems to have had adverse impacts on these values with direct damage to rock paintings and littering. The national ambition to increase tourism could lead to the construction of roads and other tourist infrastructure, which could affect these values if not effectively managed. Increased visitation could also pose threats to the additional biodiversity values. Poaching has been increasingly noted by officials and the overexploitation of vegetation due to the commercial production of fuelwood, the collection of medicinal and forage plants and localised overgrazing continues to be considered a threat and pressure on biodiversity and ecosystem services in the Tassili-Ahaggar complex. Lack of current information makes it difficult to assess the overall extent of current threats.
Garbage & Solid Waste
(Litter, human waste treatment and noise pollution)
Low Threat
Inside site
, Extent of threat not known
Outside site
Pollution, including non-biodegradable waste and noise pollution, has been documented as a growing problem in the region, accumulating in quantity and frequency (Shibli et al., 2024). There is a threat of pollution and environmental degradation from the inappropriate treatment of human waste. Most of the pollution is attributed to the increasing number of tourists and the influx of park staff. With limited budgets allocated for park maintenance, various stakeholders have volunteered to restore the petroglyph sites and organize cleanups. For example, in September 2024, a week-long cleanup campaign was organized with the participation of activists, tourism agencies, and cultural associations, with support from the Tassili N'Najjar Cultural Park, the Directorate of Tourism and Handicrafts, and the Tassili Local Tourism Council (Office of the Tassili N'Najjar Cultural Park, 2024). Some individuals are also removing solid remains from the sites, and awareness campaigns conducted by the authorities appear to be yielding positive results in reducing pollution.
Recreational Activities
(Damage to geological records)
High Threat
Inside site
, Extent of threat not known
Outside site
Inappropriate and destructive tourism practices have been observed and reported over the years in the Tassili N'Ajjer National Park, such as physical looting of rock paintings, archaeological objects, and protected flora, as well as littering and acts of vandalism in the form of graffiti and marks on numerous rock walls. These behaviours endanger the fragile balance of this protected site and accelerate the degradation of this global cultural and natural heritage (Chebli et al. 2024). In the past, it was estimated that at least two million archaeological artifacts have been removed by collectors from the Ahaggar/Ajjer region (UNEP-WCMC, 2011), however the threat that this poses to the aesthetic World Heritage values remains unclear.

Growing tourism could potentially lead to the construction of roads and other facilities which could affect these values if not effectively managed in future. Over the past five years, local and foreign tourists have flocked to the country, after a long period of absence due to the insecurity that reigned in the Algerian Great South (UNDP-GEF, 2019). The number of foreign tourists has been steadily increasing since Air Algérie inaugurated a direct air link between Paris and Djanet and a simplified visa system was adopted. The Algerian Great South welcomed some 490,000 tourists (national and foreign) in 2022-2023, said Mokhtar Didouche, the Minister of Tourism and Handicrafts (Jeuneafrique, 2024).

Due to the vast expanse of the Tassili region, which spans approximately 89,342 square kilometers, and the wide dispersal of its cultural and geological sites, coupled with the security challenges linked to the situation in the Sahel region—particularly in neighbouring Mali and Niger—as well as the issues of illegal migration and the risks of smuggling, the Algerian government is unable to effectively address the threats facing the cultural sites in Tassili (IUCN Consultation, 2025).
Gathering, Harvesting & Controlling Terrestrial Plants & Fungi, Logging, Harvesting & Controlling Trees
(Plant collection for fuel, forage and traditional medicine and overgrazing)
Data Deficient
Inside site
, Extent of threat not known
Outside site
The commercial collection of several species for charcoal and medicinal purposes is growing and has been considered unsustainable, with an insufficient framework for the management and sustainable use of natural resources (GEF, 2011). The overexploitation of vegetation due to the commercial production of fuelwood, the collection of medicinal and forage plants and localised overgrazing continues to be considered as a threat and pressure on biodiversity and ecosystem services in the Tassili-Ahaggar complex (UNDP-GEF, 2018). A diachronic study on the evolution of the main ecosystem of Tassili-Ahaggar supported by remote sensing data (1986-2016), shows an increase in vegetation cover of 317 hectares in urban areas and 395 hectares in rural areas across the wider region, however detailed information for Tassili is not available (UNDP-GEF, 2018). In this study, 3 species were used as an indicator of anthropic pressure (Ricinus communis, Cynodon dactylon, Solanum nigrum): these species are present and often in large areas near regular camps (Teini in Tassili N'Anjjer, for example) and near water sources areas. No new information is available.

There is no precise data regarding grazing activities and the extent of damage inflicted upon the natural vegetation cover in Tassili. However, in the limited wetland areas of Tassili, continuous depletion has been reported (IUCN Consultation, 2025).
Hunting, Collecting & Controlling Terrestrial Animals
(Poaching)
Other targeted species names
Acinonyx jubatus, Gazella leptoceros, Gazella dorcas, Ammotragus lervia
Low Threat
Inside site
, Extent of threat not known
Outside site
In the Ahaggar and Tassili N'Ajjer cultural parks, this illegal practice has led to the disappearance of some large herbivore species such as the Addax and the Oryx and reduces the viability of populations of other species such as the dorcas gazelle and the bighorn sheep (National Directorate of the Algerian Cultural Parks Project, 2022). The cheetah is also occasionally hunted by local populations because, due to a lack of prey, it attacks domestic animals, thus provoking a counter-reaction from breeders. The analysis of the data collected during the period from 2015 to 2021 provides managers with an effective alert system to counter illicit activities. The available surveillance data for the years 2015-2021 give a consolidated average occurrence of 0.33 poaching incidents / day of observation (all priority sites combined). Overall, the average recorded indicates a reduction in poaching actions of about 32% compared to 2015. It should also be noted that no poaching action has been recorded on the Saharan cheetah (National Directorate of the Algerian Cultural Parks Project, 2022).

In 2020, the Operational Division of Djanet in the National Office of the Tassili n Ajjer Cultural Park, which covers the southern sector of the park, undertook a field mission to the Tadrart region to inspect the state of certain natural and cultural sites, where the poaching activity of certain protected animal species has been observed, such as the Barbary Sheep and the Gazella Dorcas in certain wadis of the Tadrart (Office of the Cultural Park of Tassili-N'Ajjer, 2024). In August 2024 the operational department of the National Office of the Tassili n'Ajjer Cultural Park observed an "intense poaching movement" and "a significant and notable absence of dorca gazelles" during a mission to control and monitor the natural and cultural sites of the Tadrart region, south-east of Djanet (Jeuneafrique, 2024). However, the monitoring mission results 2015-2021 seem to indicate a substantial increase in Dorcas Gazelle (129% in the priority sites) (National Directorate of the Algerian Cultural Parks Project, 2022).

Overall, the impact on the World Heritage values of the site is limited. The current level of poaching and its impacts on other biodiversity values of the site beyond the OUV overall remains limited.
Changes in Precipitation & Hydrological Regime
(Desertification and flash flooding)
Data Deficient
Inside site
, Extent of threat not known
Outside site
The ecology of the park is highly sensitive to small changes in rainfall and temperature as many species are living at the limits of their geographical and ecological ranges and are especially susceptible to environmental change. Aridification impairs natural reproduction of Saharan Cypress, which will most likely become extinct unless conservation measures succeed (UNEP-WCMC, 2011). Whilst species-specific information is limited, it is reported that an acceleration of the effects of climate change will be manifested mainly in the precipitation regime and the change in rainfall distribution will affect the hydrological system of Algeria's cultural parks. The irregularity of rainfalls and prolonged droughts, as well as recently more violent floods, including flash floods (Office of the Cultural Park of Tassili-N'Ajjer, 2024), will have a direct impact on land management and natural resource management, thereby affecting the resilience of rural populations. Ecosystem resilience will be affected and environmental risks will increase (UNDP-GEF, 2018). The summer of 2024 has brought heavy rains in Tassili and Ahaggar for several days. An extremely rare meteorological event, say scientists, since, locally, this accumulation will exceed the normal rainfall by 1,000% (Jeuneafrique, 2024). The severity of the impact of these extreme climatic events on the site's key attributes remains unknown.
Data Deficient
Announced expansions or revivals of gas pipeline projects which could potentially cross the site could pose a potential threat to the site and its values. The potential impacts of any new project on the OUV of the property should be assessed, and the World Heritage Committee informed of any developments that may potentially impact the World Heritage values.
Oil & Gas exploration/development , Mining & Quarrying, Renewable Energy
(Energy production and infrastructure projects)
Data Deficient
Inside site
, Extent of threat not known
Outside site
In 2018, the Ministry of Energy announced several projects for energy production in the region (IUCN Consultation, 2020). For example, the gas pipeline between Illizi and Djanet which has been operational since 2018 and appears to cross the World Heritage site (Global Energy Monitor, 2020; Société Algérienne de Gestion du Réseau de Transport du Gaz, 2017) could potentially pose a threat to the site, however insufficient information on this project makes it difficult to assess any impacts, including indirect and cumulative, on the World Heritage values. In June 2022, the energy ministers of Algeria, Niger, and Nigeria revived a decades-old project to develop a gas pipeline that would traverse the Sahara Desert: the Trans-Saharan Gas Pipeline (TSGP), which would connect Nigeria’s Warri hydrocarbon fields to Algeria’s Hassi R’Mel feeder hub on the Mediterranean coast. Up to a trillion cubic feet of natural gas annually will pass through 2,565 miles of pipeline, with Algeria’s segment comprising 1,435 miles, more than half the total project length. Recent talks, supported by the European Union, saw the respective governments agree to establish a task force to update the project’s feasibility study, initially conducted in 2005 (International Trade Administration, 2022). Maps indicate this project could impact the World Heritage Site, however without current information on the project development, it is difficult to predict what impact is to be expected on the World Heritage values.
Involvement of stakeholders and rightsholders, including indigenous peoples and local communities, in decision-making processes
Some Concern
Ministerial and local representatives are involved in an Advisory Board. Local stakeholders are intensely involved in management, according to the State Party (UNESCO, 2010). To strengthen procedures for collaborative management with the local population, efforts to improve participatory management and sustainable tourism have been developed.
In 2020 a workshop organised by the National Project Directorate and assisted by UNDP, presented an approach to participatory management, the design of a sustainable tourism vision and the relaunch of multi-stakeholder platform for participatory management of ecological resources in the park (Algerie patriotique, 2020). This included training sessions for staff of the Park office. Officials signed the ethics charter for tourism in Tassili N'Ajjer and the renewal of the conventions signed in 2015 within the framework of participatory management in the areas of ecological resources and sustainable tourism. By promoting "learning by doing", the national management of the GEF-UNDP project developed and initiated a pragmatic approach aimed at establishing a collaborative management of heritage at the level of the territories of the cultural parks of Ahaggar and Tassili N'Ajjer (National Directorate of the Algerian Cultural Parks Project, 2022). However, there have been delays in the development of Committees (Collaborative Management Committee, Monitoring Committee) and in their operationalization, which has hindered implementation and collaboration between stakeholders.
Legal framework
Some Concern
The site is protected as a Cultural Park under the Law on Protection of Cultural Heritage since 2004 and is managed by a national office which regulates the park's development, inventory, conservation and protection (IUCN Consultation, 2024). A Park Office was established in accordance with this designation. Rangers/wardens control the few key access points to the park. The legal framework was strengthened and a new guardian system was established in 2010 (UNESCO, 2010). Excellent enforcement capacity has been reported by the State Party, but staff numbers remained low relative to size of site (UNESCO, 2010; IUCN, 2010). Enforcement capacity has been considered a barrier to effective biodiversity management (GEF, 2011). The cultural park Tassili n'Ajjer was the object of an executive decree in 2012, that defined its status. Each cultural park is the object of a ministerial decree that defines its internal organisation (for Tassili this was published the 19th of April 2018). There is no information available on the implementation of these legal decisions. In May 2019, the proposal for an Executive Decree determining the terms and conditions for the formulation, validation and implementation of the General Management Plan (GMP) of Cultural Parks (CPs) was finalized (UNDP-GEF, 2019).
Governance arrangements
Some Concern
The now completed project "Preservation of biodiversity of global interest and sustainable use of ecosystem services in cultural parks in Algeria", supported by GEF and UNDP, specified the commitment of institutional actors and includes the rights and duties of each stakeholder. Local partners play a central role in the conservation of the Algerian cultural parks as a whole (National Directorate of the Algerian Cultural Parks Project, 2022). A collaborative management agreement was developed in collaboration with key stakeholders. This is supported by the eco-development programme as the framework around which the collaborative management of resources is organised (National Directorate of the Algerian Cultural Parks Project, 2022). The eco-development and collaborative management programme consists of a total of 73 activities. Their breakdown by area/objective of intervention shows that 28% of them are part of the improvement of rangeland management, in second place comes the IEC, participation and involvement of the populations for 25% of the activities, and in third place the promotion of local species (14% of the activities). However, when it comes to the involvement of different stakeholders, the local populations will be involved to a small degree - in only 3% of the actions to be carried out, while the municipalities are responsible for 6%.
Integration into local, regional and national planning systems (including sea/landscape connectivity)
Serious Concern
A lack of coordination between ministries and the Wilaya (province) level, and generally significant barriers to the integration of World Heritage - as well as biodiversity management in particular - into national and Wilaya level planning, has been identified (GEF, 2011). The development and implementation of GMPs and their integration into development plans at Wilaya level will be key elements for the conservation of biodiversity and the sustainable management of natural resources. It is therefore imperative to accelerate this process in order to have an appropriate regulatory framework and GMPs that allow the joint definition of activities and better coordination between different sectors (UNDP-GEF, 2018).
Boundaries
Mostly Effective
The boundaries and size of this exceptionally large area are adequate to ensure the maintenance of the geological processes, ecosystems and biodiversity of the site. However, staff numbers are small in relation to the size of the site, and its remote location at the international border with Niger makes it challenging to manage effectively (IUCN, 2010; Chebli et al., 2024).
Overlapping international designations
Data Deficient
Although the site overlaps with other designations (Biosphere reserve Tassili Plateau; Ramsar site Oued Iherir and Afilal pools), it is unclear to what extent there is coordination between the management authorities, conservation and other activities across these overlapping designations.
The methodological framework for monitoring cultural parks in Algeria encompasses the wetlands of international importance (9 Ramsar sites) thereby ensuring there is an integrated support to their monitoring (National Directorate of the Algerian Cultural Parks Project, 2022).
Implementation of World Heritage Committee decisions and recommendations
Data Deficient
No recommendations made by the Committee.
Climate action
Data Deficient
No specific reference to climate action was found in the site management documentation.
Management plan and overall management system
Serious Concern
In 2010, the management system was reported to be based on annual plans (UNESCO, 2010) and the Biodiversity Action Plan for the Tassili Ahaggar region for 2011-17 was developed but its implementation status was unclear (GEF, 2011). The Tassili Park Office is a public establishment run by a decree-appointed director, and managed by an Advisory Board which includes representatives of the various ministerial departments and local representatives (SoOUV, 2010). In 2010, staff numbered 150 (IUCN, 2010) but wardens were mainly untrained, and no specific conservation activities relevant to criteria vii and viii were reported until 2010. The same year, plans to update and improve the management plan were reported (UNESCO, 2010). In May 2019, the proposal for an Executive Decree determining the terms and conditions for the formulation, validation and implementation of the General Management Plan (GMP) of Cultural Parks (CPs) was finalized. The preparation of a first management plan for the site has been initiated, following the emerging guidelines for the planning and management of cultural parks in Algeria. As soon as the decree for the implementation of Law 98-04 on the GMP is ratified, it is envisaged that the management plan will be readjusted, in accordance with the approved regulatory text (UNDP-GEF, 2019). Whilst the development of a management plan is positive, the fact that there is currently no approved management plan in place (IUCN Consultation, 2020) is a serious concern for such a complex and extended site, and finalisation of the management plan should be a priority.

A multisectoral action plan was finalised in 2021 to secure the cultural and natural heritage of the Tassili N'Ajjer cultural park in the territory of the wilaya of Djanet. The plan, developed and implemented by several bodies and sectors, such as the Cultural Park Office, the National Gendarmerie Services, the Regional Customs Brigade for the Protection of Heritage and the Conservation of Forests, provides for field missions to combat the various forms of vandalism that affect cultural property and archaeological and natural sites in the region (El Moudjahid Society, 2021). However, the extent to which this improves the management of the site remains to be seen.
Law enforcement
Serious Concern
Weak enforcement of regulations appears to be a key issue for the site (Chebli et al., 2024). The key problem is the lack of supervision in the park overall e.g. to accompany tourist groups. This has been attributed to the insufficient number of mobilized agents combined with the increase in tourism numbers. While tourism in the Sahara was not very economically accessible due to "elite" prices, the rates have decreased due to the strong competition of the destination's offerings in recent years. As a result, tourist demand has increased. In exchange, travel agencies, seeking profit, settle for a reduced number of guides or collaborators (local guides), which makes effective supervision of travellers increasingly difficult (Chebli et al., 2024). Similarly, in the pursuit of profit by reducing operating costs and to avoid collaborating with local agencies, the agencies from the northern part of the country that have dominated for some time now avoid intermediation, hiring staff for low wages resulting in a young and inexperienced local workforce, who are less involved, and content to accompany tourists without getting involved in their awareness and monitoring (Chebli et al., 2024).

Controlling hunting pressures is very difficult due to the vastness of the site and its location in a remote border region in the Saharan desert (Abulhawa et al, 2014). Enforcement capacity has been deemed excellent by the State Party (UNESCO, 2010) but considered a barrier by other sources (GEF, 2011). Nevertheless, a reduction in poaching incidents is proportionally correlated with the intensification of anti-poaching surveillance patrols that operate regularly, often in collaboration with agents from partner sectors (Environment and Forests). The priority sites most covered by the mobile brigades, show a reduction in poaching incidents of around 75% compared to 2003-2007 data. Nevertheless, conclusions should be drawn with great caution, due to the variability in sampling conditions and the periodicity and frequency of site-specific missions (National Directorate of the Algerian Cultural Parks Project, 2022).

Furthermore, the training of guides, has been regarded as deficient (Chebli et al., 2024). Nevertheless, patrol and surveillance activities are carried out by mobile brigades consisting of elements of the Cultural Park Office, representatives of the forestry and environmental sectors as well as the local population. Patrol and surveillance activities are systematized to generate data on biodiversity and the different pressures exerted in the different sites. The analysis of this data provides managers with a warning system to counter illegal activities such as poaching, cutting or charring of trees and the unauthorized exploitation of medicinal or fodder plants (National Directorate of the Algerian Cultural Parks Project, 2022).
Sustainable finance
Mostly Effective
The National Park is financially independent. Conservation resources were considered sufficient by the State Party in 2010 (UNESCO, 2010), with an annual operating budget for the implementation of the Action Plan, and a capital budget for the realization of major development projects and infrastructure (SoOUV, 2010). It was also noted that resources earmarked for conservation were limited and used for documentation, essential equipment and the living expenses of experts on projects (UNEP-WCMC, 2011). A total $102,871 of financial support was provided through the World Heritage Fund between 1984 and 1998 (UNESCO, 2013). In 2019, the ongoing UNDP-GEF programme rated a sustainable financing indicator for Algeria's Cultural Parks (CP), including this site, as "modest", however also noted the extremely high level of financial sustainability of the national CP system, which is strongly supported and guaranteed by the Algerian state. Whilst no data are available specifically for the site, the total government funding for the core operations of the five CPs increased from $6.533,155 in 2010 to $11,188,158 in 2018, a net increase of $4,655,003 per annum (41.6%) over 8 years. The report considers that, while current levels of state funding adequately cover present CP management and investment requirements, these may increase once the first generation of management plans for the five CPs are finalized and approved. Additionally, funding for the implementation of the 7-year Biodiversity Action Plan for the Tassili n’Ajjer and Ahaggar CPs, developed during the first phase of the project, has so far been complemented by $4,844,534 of GEF/UNDP funds earmarked under the 2nd component of the project and $32,535,574 of government cofinancing mobilized to date for sustainable livelihood activities (UNDP-GEF, 2019).
Staff capacity, training and development
Serious Concern
The level of staff training and qualification level needs to be improved. The training in Algeria has been neglected for a long time, which has affected the quality of the tourism system from the administrator to the simple agent (Bouchemal et al., 2023) as evidenced by the potentially damaging behaviour by tourists.

Most staff members have a cultural/archaeological background, which are necessary to protect the cultural values of the site but inadequate to protect the natural values and ensure effective biodiversity conservation. Staff with biodiversity skills and knowledge are lacking (GEF, 2011). Wardens are trained to act as wildlife guides and to ensure that the rock art and other archaeological sites are protected and that there is no hunting, collection of plants, or damage to trees (UNEP-WCMC, 2011). However, the UNDP-GEF project on the conservation of globally important biodiversity and the sustainable use of ecosystem services in the cultural parks of Algeria reported that during the first half of the project cycle, management effectiveness was enhanced largely through increased capacity associated with the recruitment and training of specialized staff and the negotiation and implementation of collaborative management agreements involving the local populations and resource users in CP priority sites (UNDP-GEF, 2019). Capacity building has focussed on improving the skills of technical staff and park officers for monitoring purposes (National Directorate of the Algerian Cultural Parks Project, 2022). However, recent sources have criticised the deficiency in the training of guides in particular those accompanying tourists in the region (Chebli et al., 2024).
Education and interpretation programmes
Some Concern
The World Heritage status is not interpreted in an effective manner but an education programme was being implemented in 2010 (UNESCO, 2010). Room for improvement of education and interpretation has been noted (GEF, 2011) and no new information is available.
Tourism and visitation management
Some Concern
The site administration issues permits and guides to tourists wishing to cross the plateau on 4x4 tours. In 2019, the security risk for tourists visiting Algeria was downgraded and the flow of international tourists towards the Tassili n’Ajjer-Ahaggar region has steadily increased.

At the national level the “SDAT 2030” Tourist Development Master Plan reflects the will of the state to enhance the natural, cultural and historical potential of the country and to put it at the service of the tourism development of Algeria in order to to raise it to the rank of destination of excellence in the Euro-Mediterranean region. The SDAT is a reference tool for a coherent and sustainable development of tourism in Algeria, it constitutes the reference framework of the strategy for the revival and development of tourism in Algeria by 2030. The development of ecotourism is a priority in both the national 2016-2030 NBSAP and a Sustainable Tourism Charter was developed through the first phase of the GEF-UNDP project. In 2019, 17% of certified tour operators are estimated to adhere to the sustainable tourism approach developed by the project, with further growth projected.

Based on the Strategic Action Plan for the development of domestic tourism in the region of Tassili n'Ajjer–Ahaggar, an initiative is underway to engage local tourism bureaus in the development of circuits targeting the national clientele and strengthen the involvement of certified tour operators during the rest of the project cycle. In addition, partnership agreements have been formalized with local associations to jointly support the development of local crafts and other initiatives promoting sustainable tourism in the region (UNDP-GEF, 2019). Tourism measures should be aligned with the development of the new site-specific management plan in the context of the World Heritage values, however to date no progress is evident.

Some current problems include large group sizes (30 people, while maximum should be 15) and the lack of communication and information dissemination to tourists, which leads to a lack of knowledge becoming a source of moral disengagement, and the ambiguity of the experience (Chebli et al., 2024). This has led to negative behaviours like littering and damaging rock paintings. Furthermore, the vastness of the park makes it difficult to monitor tourist behaviour (Jeuneafrique, 2024). To remedy this situation, the National Office of the Cultural Park of Tassili n'Ajjer is trying to raise public awareness. Voices are also being raised to ask the Algerian authorities to provide this institution with more material and human resources, to ensure the promotion of sustainable and responsible tourism, and, finally, to collaborate with international organizations to conserve and protect this jewel of world heritage (Jeuneafrique, 2024).
Sustainable use
Mostly Effective
In 2011, there was an insufficient enabling framework for sustainable use management of natural resources (GEF, 2011). The UNDP-GEF project on the conservation of globally important biodiversity and the sustainable use of ecosystem services in the cultural parks of Algeria aimed to enhance national capacity in the sustainable management of natural resources, and strengthen national capacity to fight soil degradation and desertification (UNDP-GEF, 2018). Under the project an investment programme was developed to support small projects for the benefits of local people. Between 2015-2021 there were 399 direct beneficiaries, which has reportedly reduced pressures on natural resources by improving the socio-economic conditions of local populations. The investments focussed on renewable energy (mobile solar kits), improved pastoral management (solar pumps for wells), promotion of local species (goats and camels), improvement of living conditions of women (fodder production, arts and crafts business development) (National Directorate of the Algerian Cultural Parks Project, 2022).
Monitoring
Mostly Effective
A biodiversity monitoring system for the wider Tassili-Ahaggar region was developed in the first phase of the UNDP-GEF project (GEF, 2011), and a 2018 mid-term project evaluation noted that the outcome of "expanding the national system of cultural parks manages ecosystems and biodiversity assets in a systematized, inclusive and efficient way" remains "satisfactory", with further capacity building required (UNDP-GEF, 2019). In 2022 methodologies and protocols for monitoring in the field to support the conservation management of biodiversity in the Algerian cultural parks network was published (National Directorate of the Algerian Cultural Parks Project, 2022) to develop a systematic framework for biodiversity monitoring, surveillance and control with the aim of informing decision-making. Priority sites and species have been identified and inventory methodologies for these have been developed to feed into a centralised database. These methods are designed to highlight the changes that appear within animal populations (flagship species: Saharan Cheetah, Dorcas Gazelle and Bighorn sheep) and/or plant populations (Acacia Forests) and to define the causes of these variations (Monitoring of pressures). As part of the modernization of the wildlife monitoring system in cultural parks, which was designed to be scalable, the national project management acquired modern technical tools adapted to the monitoring of wildlife in large territories (e.g. camera traps) and biodiversity observation notebooks at the Ahaggar and Tassili N'Ajjer cultural parks have been developed containing indicators selected for monitoring and including detailed collection instructions.

The Monitoring and Collaborative Management Committee is the body responsible for implementation, however the functionality of this body to date is unknown. The project report from 2022 states that a biodiversity monitoring network involving local shepherdesses has been developed, however there is no information on the effectiveness or the results collected thus far (National Directorate of the Algerian Cultural Parks Project, 2022).

The U.S. Embassy Algiers of the U.S. Department of State has announced an open competition for organizations to submit applications to carry out a capacity building exchange program with U.S. National Parks Service that will support Algerian efforts in remote site monitoring of Tassili N’ajjer and Ahaggar Cultural Parks (US Embassy in Algeria, 2024).

Research
Mostly Effective
Some research into Saharan Cypress and natural resources was undertaken in the 1980s and research (without specification) was reported in 2010 (IUCN, 2010; UNESCO, 2010). As part of the UNDP-GEF project to verify and update data on the presence and density of flagship species (cheetah, gazelles, Barbary sheep) in the wider Tassili-Ahaggar region, a 30-month study was started in July 2017 to develop a cheetah conservation plan using camera traps (UNDP-GEF, 2018). Local teams were tasked with producing annual ecosystem monitoring reports for the two Tassili N'Ajjer and Ahaggar CPs, and field missions were carried out to update data on flagship species (Barbary sheep, gazelle and cheetah) (UNDP-GEF, 2018; National Directorate of the Algerian Cultural Parks Project, 2022). The analysis of the data collected in the priority sites during the period from 2015 to 2021 makes it possible to establish a spatial and temporal picture of the distribution of the flagship species (Dorcas gazelle, bighorn sheep, Saharan cheetah). Furthermore, there is ongoing research on the medicinal properties of various plant species occurring in the region and on the rock art. The Ministry of Culture and the Arts is also interested in digitizing the cultural heritage, so further research is expected in this area. An upcoming collaboration with the US National Park Service will also support further use of remote sensing techniques.
Effectiveness of management system and governance in addressing threats outside the site
Some Concern
The collaborative management approach and biodiversity monitoring framework developed through the GEF-UNDP project is being rolled out across all cultural parks in Algeria. Thereby, the importance of biodiversity conservation and improving management of natural resources is recognised at the national level. Nevertheless, monitoring has shown the significant expansion of rural and peri-urban agricultural land due to an overall increase in population. This may threaten protected landscapes in the future. Furthermore, the lack of climate action in management makes it difficult to determine the effectiveness of management to address climate change related issues, that may stem from outside the site but affect the heritage values.
Effectiveness of management system and governance in addressing threats inside the site
Some Concern
The Management Effectiveness Tracking Tool (METT) scores for the site increased from 58 to 62 between 2006 and 2008, which was considered a satisfactory trend (GEF, 2011), with the most recent rating of 70 recorded in the 2018 METT scores based on the updated GEF BD Tracking Tool (UNDP-GEF, 2019). During the first half of the UNDP-GEF project cycle, management effectiveness was enhanced largely through increased capacity associated with the recruitment and training of specialized staff and the negotiation and implementation of collaborative management agreements involving the local populations and resource users in CP priority sites (UNDP-GEF, 2019). In 2018-2019, the site manager followed a capacity building programme on the management effectiveness Enhancing Our Heritage Toolkit, however this programme did not result in a complete management effectiveness evaluation (IUCN Consultation, 2020). Management effectiveness needs to be an integral part of the development of the new management plan.

Through its two phases, the GEF-UNDP project has strengthened the framework for action and intervention of the Cultural Parks network through a range of approaches and tools with the aim of improving management efficiency, and ensuring effective management of concerns related to biodiversity and the sustainable use of ecosystem services. The use of new tools has helped to enhance monitoring (e.g. remote sensing), nevertheless, the use of these tools, requires a more rigorous conceptual approach to take advantage of the multiple functionalities they offer, particularly in terms of data analysis. This needs to be accompanied by a complementary capacity-building programme, a strong involvement of the people constituting the GIS units and a harmonization of working procedures. Furthermore, the involvement of the population and resource persons improves the effectiveness of the intervention. Nevertheless, the cultural park offices must set up a programme to maintain permanent reciprocity between the local population who have knowledge and know-how, scientists and managers, in particular through reactive animation, in order to guarantee long-term collaboration (National Directorate of the Algerian Cultural Parks Project, 2022).
Protection and management at the site level has benefitted from the now completed UNDP-GEF project "Preservation of biodiversity of global interest and sustainable use of ecosystem services in cultural parks in Algeria". As a priority site Tassili n'Ajjer has developed collaborative management mechanisms and a systematic monitoring approach. This has improved data collection and decision-making. Nevertheless, threats from tourism affect the aesthetic and geological heritage values and current management measures seem ineffective at enforcing laws and regulations to prevent littering and damage to rock paintings. Furthermore, the fact that there is currently no approved management plan in place is a serious concern for such a complex and extended site. Although a multisectoral action plan was finalised in 2021 to secure the cultural and natural heritage of the Tassili N'Ajjer cultural park in the territory of the wilaya of Djanet, the extent to which this improves the management of the site remains to be seen.

Geological records as evidence of transition of hydrographic system from fluvial to hyper-arid conditions.

Low Concern
Trend
Deteriorating
The geological values have been relatively well protected by the site's geographic isolation and the difficulty of access since the time of inscription (UNEP-WCMC, 2011). Nevertheless, evidence of tourists drawing on rock paintings is worrying. If management measures are unable to prevent such activities in the future, these historical artefacts may be lost.

The exceptional scenic beauty of deeply eroded cliffs, gorges, and valleys

Low Concern
Trend
Data Deficient
There are no major construction projects that might affect the exceptional scenic beauty values of the property and no changes have been reported since inscription (UNEP-WCMC, 2011; IUCN, 2010), however the announcement in 2018 of several projects linked to the production and transportation of energy in the region remains a potential concern. Some impacts from tourism may be present, but there is insufficient information available to assess their extent.
Assessment of the current state and trend of World Heritage values
Data Deficient
The geo-morphological values of Tassili n’Ajjer were considered to be relatively well-preserved at the time of inscription, because of the remoteness and difficulty of access to the area. Some concern arises from reports of tourists littering and drawing on rock paintings and lack of law enforcement effectiveness. The potential effects on the OUV of energy related infrastructure is difficult to assess due to the lack of information, but it is potentially of concern.
Assessment of the current state and trend of other important biodiversity values
Low Concern
Stable
In the past the state of several other important biodiversity values of the site was of high concern, especially as two mammal species are considered locally extinct (Scimitar-horned Oryx and Addax), two are considered endangered (Cheetah and Slender-horned Gazelle), and others (e.g. Barbary Sheep) have been considered to be declining. Nevertheless, an improved biodiversity monitoring system has led to better data collection of flagship species and confirmed a higher density of individuals in 2021 as compared to 2015. The cumulative results over the 7 years indicate an increase in the distribution and abundance of populations of the two flagship species (Dorca gazelle and Bighorn sheep) in a good part of the territories of the Ahaggar and Tassili cultural parks. Exploitation of several plant species for fuel wood, charcoal and medicinal use also continues, however recent data are limited.
Assessment of the current state and trend of other important values
Good
Stable
Citizen science data collection efforts have improved the update of local knowledge and know-how and has increased the recognition of traditional knowledge. How the knowledge is integrated into management and decision-making is unclear.

Additional information

History and tradition
The site includes sites dating back to the Paleolithic including very old artistic drawings that can date back to 20,000 BC, but most rock art centers date back to the Neolithic period from 8000 to 1500 years, which also documents climate history during this period (UNEP-WCMC, 2011). This provides rich cultural, archaeological and heritage benefits.
Factors negatively affecting provision of this benefit
Climate change
Impact level - Very High
Trend - Increasing
Habitat change
Impact level - Low
Trend - Continuing
Recent studies on rock art centers and the extent of their affected dangers is very few. There is a need for a great activity for archaeological research in the region as well.
Livestock grazing areas
The property supports a traditional extensive Tuareg grazing economy, with more than 20,000 Tuareg keeping 100,000 heads of camel, goat and sheep each in the wider area including the property (GEF, 2011).
Factors negatively affecting provision of this benefit
Climate change
Impact level - Very High
Trend - Increasing
Overexploitation
Impact level - High
Trend - Continuing
The impact of grazing are mainly related to other biodiversity values (e.g. vegetation cover and floral diversity).
Traditional agriculture
Wheat, root and fruit crops are grown in a few northern valleys such as Oued Iherir where more than 1000 people live (UNEP-WCMC, 2011).
Factors negatively affecting provision of this benefit
Invasive species
Impact level - High
Trend - Continuing
Habitat change
Impact level - High
Trend - Increasing
Invasive species impacts are not understood or reported upon. Their potential remains high.
Outdoor recreation and tourism
The considerable scenic and wilderness values as well as tourism potential of the area is currently only incompletely used although efforts to develop sustainable tourism have increased.
Importance for research
The property not only offers unique archaeological and historical insights, but also consists of ecosystems and biodiversity highly adapted to arid conditions, which may affect extended areas in the future as a result of climate change (GEF, 2011).
Provision of jobs,
Tourism-related income
Tourism generates income and jobs for local people.
Besides the benefits from its immense archaeological, cultural, geological and scenic values, for which the property is recognized, Tassili N’Ajjer also provides rich benefits to local Tuareg herders and has a huge but currently only incompletely used potential to contribute to global biodiversity conservation and sustainable nature-based tourism.
Organization Brief description of Active Projects Website
1 UNDP-GEF Conservation of Globally Significant Biodiversity and Sustainable Use of Ecosystem Services in Algeria’s Cultural Parks, with a wide range of conservation related activities, second phase 2011-2017, third phase 2018-2023. The Ministry of Culture of Algeria is developing an important national network of cultural parks, presently covering an impressive 937,430 km2. During a first phase intervention the UNDP/GEF targeted the Tassili N'Ajjer and Ahaggar Cultural Parks. Due to its vast size and relative integrity, the Tassili - Ahaggar complex, represents a key biodiversity site in the central Saharan ecosystem and one of the prime sites in the world for desert biome conservation. With their legally protected status and official governance and management structure, there is good potential for cultural parks in Algeria to form a cohesive conservation network that will provide an effective buffer against threats to biodiversity and ecosystem services. However, a number of systemic, operational and institutional barriers are hindering the Ministry of Culture's efforts toward improving the management effectiveness of the cultural park system. The first phase of the project had been designed to implement a comprehensive package of measures to enable an effective country-driven conservation initiative that secures global environmental benefits. In its second phase, the project has been revised to reflect emerging realities, incorporate lessons from the first phase, and align with the dual priorities of the Biodiversity and Land Degradation focal areas. The long-term solution proposed by this project is a strengthened network of cultural parks with adequate systemic, institutional and operational capacity to: (i) effectively plan and manage the cultural parks based on scientific data and information; (ii) mitigate the threats to, and pressures on, the biodiversity and ecosystem services contained within the cultural parks; (iii) effectively plan sustainable financing for cultural park management and improve cost effectiveness; and (iv) ensure better integration of the socio-economic development priorities of local resource users in the management of the cultural parks. The project will focus on improving capacities at central level in the Ministry of Culture and in two demonstration sites, the Tassili N'Ajjer and the Ahaggar Cultural Parks.
https://www.thegef.org/projects-operations/projects/3952

References

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Indigenous Heritage values

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