Gombe streams
All about it:
Apart from Chimpanzees, The most visible of Gombe’s other mammals are also primates. A troop of beachcomber olive baboons, under study since the 1960s, is exceptionally habituated, while red-tailed and red colobus monkeys – the latter regularly hunted by chimps – stick to the forest canopy.
You can Take Flight to Gombe National Park.