Nagarhole National Park is spread between Kodagu District and Mysore District, and is separated from Bandipur National Park by Kabini. Comprising forest cover, small streams, valleys and waterfalls, the national park is home to tigers, Indian bison, elephants, snakes, four-horned antelopes, sloth bears, porcupine, jackals, mouse-deer and many other fauna. Within its 643 sq.km of area, leopards, wild dogs, sloth bears, hyenas, spotted deer, sambars, barking deer, gaurs and wild boars find abode.
Rosewood, teak, sandalwood and silver oak form the flora of the national park. A part of the Nilgiri Biosphere Reserve, Nagarhole National Park is under consideration by the UNESCO World Heritage Committee for selection as a World Heritage Site. Sub mountain hill valley swamp forest, dry tropical forest towards the east and mixed deciduous forest in the southern parts form the vegetation of the national park.
The park is also home to more than 250 species of some of the rarest birds in India like Malabar trogans, Malabar pied hornbills and the crested hawk eagles. Vine snakes, common wolf snakes, rat snakes, bamboo pit vipers, Russell's vipers and common kraits also reside in the park. In the park, tourists can also view Indian rock pythons, Indian monitor lizards, common toads, oriental white-backed vultures, greater spotted eagles, Nilgiri wood-pigeons and striped-necked mongooses.