The park is set in 760 km2 (290 sq mi) with a wide variety of habitats, ranging from the gallery forests of the Arli and Pendjari rivers to savanna woodland and sandstone hills of the Gobnangou chain. It is home to around 200 African elephants, 200 hippos and 100 lions. There are also buffaloes, baboons, red and green monkeys, warthogs, and various antelopes, such as the western hartebeest and roan antelope.