Singalila National Park is one of the most exotic forests of the Indian Himalaya. This wilderness area lies along a ridge at an altitude of 2,100 to 3,650 metres above sea level, covering 78.6 km². It is also a haven for birdwatching, with more than 300 bird species recorded here. The park hosts an extensive list of exotic birds, including the blood pheasant, satyr tragopan, kalij pheasant, brown and fulvous parrotbills, rufous-vented and black-throated tits, fire-tailed myzornis, golden-breasted fulvetta, rosefinches, bullfinches, wren-babblers, laughingthrushes, nuthatches, treecreepers, yuhinas, minivets, partridges and many more.
An estimated 32 red pandas live within Singalila's boundaries. Alongside the red panda, other mammals found here include the Himalayan black bear, leopard, leopard cat, Himalayan serow, barking deer, yellow-throated marten, wild boar, pangolin, pika and many other species native to the eastern Himalaya.
The park is also home to more than 600 orchid species, forming the largest concentration of orchid blooms found within a single geographic area.