Namdapha National Park is located in the state of Arunachal Pradesh. It is the largest protected area in the Eastern Himalayan sub-region and is the largest national park in India in terms of area. This park spans across an area of 1,985 square kilometres with 177 square kilometres in buffer zone and 1,808 square kilometres in the core area.
The park is located in the Changlang district, between the Dapha bum range of the Mishmi Hills and the Patkai range. The region is a part of both the Palearctic and Indo-Malayan biogeographic areas. Along with the primary forest, the park has an extensive bamboo and secondary forests.
At various altitudes, the habitat differs from sub-tropical broadleaved forest to subtropical pine forest, temperate broadleaved forest at higher elevations to alpine meadows and perennial snow. It covers a wide range of altitudes from 200 metres to 4,500 metres.
Due to the characteristics of the region, diverse species of animals and birds can be seen in the park. A diversity of mammals can be spotted such as Eurasian Otters, Asiatic Small Bears, Wolves, Dholes, Clouded Leopards, Tigers, Red Foxes, Red Pandas, Fishing Cats and Musk Deer.
Various birds can also be spotted in Namdapha, including Hornbills, Kingfishers, Parrotbills, Partridges, Thrushes and Stump Tailed Macaques. There are at least 500 species of birds in Namdapha, including global rarities like Snowy-throated Babbler, White-Bellied Heron, Rufous-necked Hornbill and Wards Trogon.
Various tribes have been thriving in this area including the Lisu (Yobin), Singpho and Tangsa tribes. These tribes have been practising shifting cultivation in the region for generations. The Indian government settled the Chakma tribe in this area in the sixties.
During the Second World War, the destination was one of the popular hump air-routes from Assam to China. In the hills, the old crashes of aircraft can still be discovered. The best time to visit Namdapha is in winters from October to March when the temperature ranges from 15o Celsius to 20o Celsius.