Nagarhole National Park is a national park located in Kodagu district and Mysore district in Karnataka state in South India. This park was declared the thirty seventh Project Tiger tiger reserve in 1999. It is part of the Nilgiri Biosphere Reserve. The Western Ghats Nilgiri Sub-Cluster of 6,000 km2 , including all of Nagarhole National Park, is under consideration by the UNESCO World Heritage Committee for selection as a World Heritage Site. The park has rich forest cover, small streams, hills, valleys and waterfalls. The park has a healthy predator-prey ratio, with many tigers, Indian bison and elephants.