The site is a large sand-filled wadi near the ancient town of Oualâta. Situated in the Dahr Oualâta escarpment, it is a zone of lowland depressions and ephemeral wetlands on the plains, interspersed with permanent wells. The mountains contain deep permanent rock-pools or gueltas. The vegetation of the area includes Hyoscyamus muticus, Tamarix sp., Acacia raddiana, Capparis decidua, Leptadenia pyrotechnica, Maerua crassifolia, Salvadora persica, Balanites aegyptiaca, Panicum turgidum and Cenchrus biflorus.
See Box and Table 2 for key species.
Non-bird biodiversity: None known to BirdLife International.