The park's habitat is mainly in the “Chad depression” with average elevation in the range of a , thought the highest ground goes up to near Waza village. The topography of the park, however, is generally flat. Sand dunes in the western area of the park denote past desert conditions. The Chad depression was originally covered by Lake Chad. The land classification consists of terrestrial landscapes to the extent of 88%, and the park has 7% shrub land and 5% grassland.