It is one of the last remaining pristine ecosystems of the Eastern Himalayas with its amazing Bio-diversity, and is home to many rare and endangered plants, animals and birds. It exhibits a rich variety of habitat as the area comprises the catchments and watershed of the Neora River with its tributaries. The Park with its dense forests is located on the tri-junction of Bhutan, Sikkim and West-Beng
al, and its boundary extends from 30 m of altitude up to 3200 m on an area of only 88 square km. Though this sounds rather small, it has to be considered that due to the topographical features the surface of the Park is much larger. Fauna:
Significance of Neora Valley National Park in the international context lies in the fact that it provides shelter and protection to various species of Wildlife included in the Red Data Book (R.D.B.) The Park harbours more than 31 species of mammals, which include the Red Panda, Clouded Leopard, Goral, Wild Dog, Himalayan Black Bear, Leopard, Leopard Cat, Himalayan Thar, Royal Bengal Tiger. Avi-fauna :
Neora Valley National Park is extra ordinarily rich in avi-fauna. Due to its change in altitude at places, various species of birds make the park a paradise for bird watchers. There are more than 106 species including many rarities. Orchids :
Nature has gifted Neora Valley with variety of colourful Wild Orchids. One can get a glimpse of these magnificent floras from 600 feet to 10,000 feet. Some of the Orchids recorded in the Neora Valley National Park, belong to the genus, Bulbophyllum, Cymbidium, Celogyne, Dendrobium, Eira, Gastrochilus and Pleione.