Jebel Azao or Adrar Afao, at , is the highest peak in the

Tassili n'Ajjer Tassili n'Ajjer (Berber: ''Tassili n Ajjer'', ; "Plateau of rivers") is a mountain range in the Sahara desert, located in south-eastern Algeria. It holds one of the most important groupings of prehistoric cave art in the world, and covers an ar ...

range in southeastern Algeria. The range forms the northwest border of the

Chad Basin The Chad Basin is the largest endorheic basin in Africa, centered approximately on Lake Chad. It has no outlet to the sea and contains large areas of semi-arid desert and savanna. The drainage basin is approximately coterminous with the sedimenta ...

Geography

The Jebel Azao is a peak in the Adrar massif of the Tassili N'Ajjer, a sandstone plateau to the northeast of the Hoggar Mountains The mountain forms a ridge on the plateau, roughly parallel to the escarpment. The massif is mainly made of sandstone, which has resulted in the formation of many natural rock arches. Mt. Afao is drained by various

wadi Wadi ( ; ) is a river valley or a wet (ephemerality, ephemeral) Stream bed, riverbed that contains water only when heavy rain occurs. Wadis are located on gently sloping, nearly flat parts of deserts; commonly they begin on the distal portion ...

s, which converge on the Wadi Imirhou. This wadi runs northeast, then turns to the northwest and disappears in the Issaouane Erg sands to the west of

Illizi Illizi (Amazigh language: Ilizi) is an Algerian town and Communes of Algeria, commune, coextensive with Illizi District, situated in the south-eastern part of Algeria, and capital of Illizi Province. According to the 2008 census it is the largest ...

References

Citations Sources * * * {{Mountains of Algeria , state=collapsed Mountains of Algeria