Tarangire National Park was first established as a Game Reserve in 1957 and later a National Park in 1970. Its name originates from the river that crosses the middle of the Park 120km south west of Arusha town; the park has an area of 2600km sq. Rainfall averages 800mm (31.2 inches) per year and falls mostly between November and May. Attractions include elephants, gerenuk, zebra, buffalos and tree climbing pythons. Silale swamp which has beautiful landscape sceneries and many baobab trees, supports life of animal and bird species is also located in the Park.