Ol Donyo Sabuk National Park is a common one-day trip out of Nairobi, only away. The mountain is the highest peak in the park, covering . It is particularly attractive for hikers or families wanting some freedom and exercise, outside their vehicles. One approach to the park is via the Fourteen Falls on the Athi River. The park's attraction is its beauty and views of both Mount Kenya and Mount Kilimanjaro. It teems with game including baboon, colobus, bushbuck, impala, duiker and many birds. While the name Ol Donyo Sabuk is Maasai for 'large mountain', the word Sabuk was mistakenly thought by many writers to mean buffalo whereas in fact Maasai call buffalo Olosowan. Today, some 250 buffalos roam the slopes. Kikuyu traditionalists also call the mountain by Kea-Njahe, known as the 'Mountain of the Big Rain', one of Ngai's lesser homes.