The Marat Longri Wildlife Sanctuary, located around 10 Kms from Diphu, is a protected reserve which is a part of the greater Dhansiri-Lunging Elephant Reserve. Spread over an area of approximately 451 sq.kms, this reserve was declared as a wildlife sanctuary in 2003. Although it is relatively underdeveloped, it is home to much important fauna of the region, including the Royal Bengal Tiger, Asiatic Elephant, Himalayan Black Bear and the Hoolock Gibbon.
The best time to visit the Marat Longri Wildlife Sanctuary is from November to March. This period marks the winter period in the state of Assam, and the temperatures are relatively cool with humidity being minimal. The nearest airport is the Dimapur Airport which is around 60 Kms away.