Ol Pejeta Conservancy is a 364-square-kilometer park between Mount Kenya's foothills and the Aberdares. Its game-to-area ratio tops the Kenyan parks and reserves league. It has over 10,000 large mammals and is the only park where the Big 5 and/or 30 chimpanzees can be seen. There are Southern white rhinos, about 80 endangered black rhinos and two of the world’s last remaining Northern white rhinos in a special sanctuary.