Nagarhole National Park [also known as Rajiv Gandhi National Park], is a national park located in Kodagu district and Mysore district in Karnataka state in South India.It is one of India’s premier Tiger Reserves along with the adjoining Bandipur Tiger Reserve.This park was declared the thirty seventh Project Tiger, Tiger reserves of India in 1999. 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. The park has a healthy predator-prey ratio, with many tigers, Gaur, elephants, Indian leopards, and deer (Chital, Sambar, etc.
The park derives its name from naga, meaning snake and hole, referring to streams. The park was an exclusive hunting reserve of the kings of the Wodeyar dynasty, the former rulers of the Kingdom of Mysore. It was set up in 1955 as a wildlife sanctuary and later its area increased to 643.39 km (399.78 mi). It was upgraded into a national park in 1988. The park was declared a tiger reserve in 1999.