Ulu Kalumpang Forest Reserve

Ulu Kalumpang Forest Reserve is a region in Sabah, Malaysia. Located on the Tawau Peninsula, it was designated as a conservation area by the Sabah Forestry Department in 1992. The forest reserve is in an area called the Tawau Highlands, which also includes Tawau Hills [National Park]. The forest reserve is very mountainous, especially towards the south. A statewide orang-utan census carried out by HUTAN and the Sabah Wildlife Department estimated an Orang-utan population density of 0.42 individual/km² within the forest reserve. This orang-utan population of ~ 183 individuals is totally isolated and its long-term survival is insecure.