Nagarahole National Park is a national park located in Kodagu district and Mysore district in Karnataka, India. This park was declared the 37th Tiger Reserve of India in 2003. It is part of the Nilgiri Biosphere Reserve. The Western Ghats Nilgiri Sub-Cluster of 6,000 km2 (2,300 sq mi), 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, and populations of Bengal tiger, gaur, Indian elephant, Indian leopard, chital and Sambar deer.