This national park is spread over an area of 88 square kilometres. Its virgin wilderness sustains an eco - system where tropical, subs - tropical, sub - temperate, and temperate vegetative system still exist together. Trees like rhododendron, conifers, silver Fir, juniper forest and associated ground flora, moss filled oak forests with dense bamboo thickets makes this forest a unique site for the nature lovers. The vegetation in the region presents a diverse variety of rare Himalayan species like Red Panda, Himalayan Black bear, birds like Pheasants, Orioles, Owls, Partridges, Swifts, Golden-throated Barbet, Hodgson's Hawk Cuckoo, Lesser Cuckoo, Brown Wood Owl, Ashy Wood Pigeon, Mountain Imperial Pigeon, Black Eagle, Mountain Hawk Eagle, Dark-throated Thrush, Flycatcher, White-browed Bush Robin, White-tailed Robin, Woodpeckers and the list goes on. Bengal Tiger and other important mammals like Gaur, Clouded Leopard, Lesser Cats, Himalayan Thar, Serrow, Gural, Deer and Squirrels can be found here. A trek through forests and exotic flora of the National Park, culminating in the ascent of the 3152 meter Rache La tri-junction with the view of the Chola Range. Other activities include nature study, birding and wildlife exploration. Bindu – Parren – Godek –Tangta – Neora valley - Lava Trek is also nice and entertaining. Rush is less and the greenery worth appreciating. Samsing is the situated in the lower range of Neora Valley National Sanctuary and Lava in the upper range. The highest point is Reche - la at nearly 3152 meter. Another interesting point is Rechela Danda the order confluence of Sikkim, Bhutan and West Bengal.