Mahananda Wildlife Sanctuary is situated in the Darjeeling district of West Bengal, India. It comes under Darjeeling Wildlife division and can be reached from Siliguri in 30 minutes. Sukna, the gateway to the sanctuary, is only 13 km from Siliguri.
The variation in altitude and forest types helps the existence of a large number of species of mammals, birds and reptiles. The important mammalian species include royal Bengal tiger, Indian elephants, Indian bison, chital (spotted deer), barking deer, sambar, rhesus monkey, many species of lesser cat like fishing cat and jungle cat, Himalayan black bear, leopard including clouded leopard, and many other smaller animals like rare mountain goat (serow), porcupines, snakes, etc. The sanctuary also holds hundreds of feathered species.