Gombe Stream National Park is located in western Kigoma Region, Tanzania, 10 miles (20 km) north of Kigoma, the capital of Kigoma Region. Established in 1968, Gombe is the smallest national park in Tanzania, with only of forest running along the hills of the eastern shore of Lake Tanganyika. The terrain is distinguished by steep valleys, and the forest vegetation ranges from grassland to alpine bamboo to tropical rainforest. Accessible only by boat, the park is most famous as the location where Jane Goodall pioneered her behavioral research conducted on the chimpanzee populations. The Kasakela chimpanzee community, featured in several books and documentaries, lives in Gombe Stream National Park.