It covers an area of 1,710 sq. It is located in the central Himalaya, and is the nearest national park from Kathmandu. Langtang encloses two river catchment areas. It has some areas of subtropical forest, temperate oak forest and pine forests, and also includes alpine scrub and grasses. Plants include blue pine, hemlock, spruce and oak.
Wildlife includes wild dog, musk deer and Himalayan black bear.
The Himalayan red panda is the resident mascot of Langtang. This is a very important transit route for migratory birds.