National Park until

Cultural Park Tassili n'Ajjer ( Tassili National Park until February 2011 [1] ) is located south of Algeria in the mountains of Tassili n'Ajjer . This is one of the largest national parks in the world. It covers 138,000 km2 , and is the first park of Algeria by its size. It is classified as World Heritage since 1982 [2] and biosphere reserve by UNESCO since 1986 [3] . It is, the number of rock carvings called Wadi Djerat it houses, the first site worldwide .

Very arid Tassili n'Ajjer were in other times by green densely populated countries in pastoral civilizations