Best Season to Visit : March to late May and September to mid- December.
Area :  51.76 sq km
Distance :  20 km( from Gangtok )
Altitude : 1280 - 2652 m
Note : Entry to Sanctuary is permitted by the Chief Wildlife Warden, Government of Sikkim, Gangtok .
This is located about 20 kilometers from Gangtok and covers an area of about 5,200 hectares above the road between Singtam and Dikchu with the highest point at a place called Tinjure at 7,000 ft. where a wooden observation tower of the Forest Department exists. The Sanctuary is the home of Himalayan Black Bear, Red Panda, Civet cat and many varieties of birds and butterflies. The Binturong or Bear-Cat (Arctictis binturong) is a rare civet reported from here.