The Buffalo Springs National Reserve lies south of the Samburu National Reserve, next to the Ewaso Ngiro river. The name comes from an oasis situated at its western end. The size of the reserve is 131 square kilometres, and is lying at an altitude of between 850 metres and 1,230 metres above sea level. It is compromised of gently rolling old lava flow lowland plains. The main attraction is the Champagne Ride in the south-east, an ancient lava-terrace that raises from the plain. The area is semi-arid and is normally hot and dry. Wildlife to be found include the the endangered Grevy’s Zebra, while Other species of mammal include reticulated giraffe, elephant, oryx, gerenuk, buffalo, lion, leopard, cheetah and hyena. The river is home to crocodiles and hippos.