Corbett National Park comprises area of hills, riverine belts, marshy depressions, grasslands and a large lake. The elevation ranges from . Winter nights are cold but the days are bright and sunny. It rains from July to September. The park has sub-Himalayan belt geographical and ecological characteristics. Dense moist deciduous forest mainly consists of sal, haldu, peepal, rohini and mango trees. Forest covers almost 73% of the park, while 10% of the area consists of grasslands. It houses around 110 tree species, 50 species of mammals, 580 bird species and 25 reptile species.