The Algerian Desert (Arabic: الصحراء الجزائرية) is located in north-central Africa and is part of the Sahara Desert. The desert occupies more than four-fifths of Algerian territory. Its expansion starts from the Saharan Atlas as a stony desert, gradually changing into a sand dune desert inland. The plateau of the Tassili n'Ajjer is located in the southeast, and its outstanding collection of prehistoric rock art saw it added to the UNESCO World Heritage List in 1982.
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Cities and towns such as Ouargla, Adrar, and particularly In Salah are among the hottest places in the Sahara. Annual average rainfall is well above 100 mm (3.9 in) in the northernmost part but the center and the southern part receive much less than 50 mm (2.0 in).
- "Tassili n'Ajjer - UNESCO World Heritage Centre". Whc.unesco.org. Retrieved 2013-03-18.