
The forest in Neora Valley has such a luxurious growth that even sunlight finds it difficult to touch the ground. Much of the park is still inaccessible making it an adventurous place for the nature lovers / trekkers who can take the challenge to explore the still-unknown terrain in the Kalimpong hills. Virgin natural forests, dense bamboo groves, colourful canopy of Rhododendron trees, lush green valley, meandering rivers and streams with snow-capped mountains in the backdrop form a picturesque landscape.
The park reaches up to an elevation of 10600 ft at Rechela Danda, the highest point of Neora Valley National park, which borders Sikkim and Bhutan. The Neora River, the majore water source of Kalimpong town.

Neora Valley National Park is also the home of Red Panda. A cute little animal with reddish brown body and a bushy ringed tail is one of the most endangered species in the world. The recent discovery of Royal Bengal Tiger in Neora Valley has prompted the administration to include the park in the list of sensitive wildlife zones in the country. According to the 2002 tiger census the park holds 19 majestic big cats. Among the other important mammals Indian Gaur, Himalayan Black Bear, Clouded Leopard Common Leopard, Lesser Cats, Himalayan Thar, Serrow, Gural, Deer and Squirrels are worth mentioning.
Neora Valley is extraordinarily rich in avi-fauna or the feathered animals. Due to its altitudinal variation ranging from 600ft to 10600 ft, various species of birds make the park a paradise for the bird watchers. Pheasants, Cuckoos, Minivets, Flycatchers, Maynas, Orioles, Owls, Parakeets, Partridges, Sunbirds, Swallows, Swifts and Woodpeckers would captivate one with their chirpy calls and enchanting colourful plumage display.

Neora Valley is particularly well known for wild orchids. Their splendid colours and grace patterns have the capacity to hypnotise anyone. A number of orchids hidden in the deepest parts of the valley are yet to find a place in the records.