Tangkoko Nature Reserve also known is a nature reserve in the northern part of Sulawesi islamf of Indonesia, two hours drive from Manado. The reserve covers an area 8.700 hectares and include three mountains, Mount Tangkoko 1.109 meters.
Tangkoko Batuangus Nature Reserve protects at least 127 mammal, 233 bird and 104 reptile and amphibian species. Of these 79 mammal, 103 bird and 29 reptile and amphibian species are endemic to the island.
Threatened mammals include the Celebes crested macaque, of which about 5,500 remain on the island, spectral tarsier, Sulawesi bear cuscus and Sulawesi dwarf cuscus. Birds include the knobbed hornbill, Sulawesi hornbill and maleo.
The first conservation area at Mount Tongkokohas been established in 1919. To this the Duasaudara area has been added in 1978, and the Batuangus and Batuputih areas in 1981, together encompassing a total of 8,718 hectares. Visitation is only allowed in the Batuputih area.
