The Chott Ech Chergui has an area of about 2000 km2 where water collects during the wet season, forming a number of large shallow salt lakes which become salt flats as they dry.
The Chott Ech Chergui is a geographical area with a significant amount of water accumulation during the rainy season, resulting in the formation of numerous large shallow salt lakes that eventually dry up and transform into salt flats.