Sanjay Gandhi National Park
Sanjay Gandhi National Park is said to be one of the most visited national parks in Asia. According to estimates, around 2 million visitors visit this park annually. Collection at the gates in November 2004 touched .
Silent Valley National Park
The national park is one of the last undisturbed tracts of South Western Ghats mountain rain forests and tropical moist evergreen forest in India. Contiguous with the proposed Karimpuzha National Park () to the north and Mukurthi National Park (78.46 km) to the north-east, it is the core of the Nilgiri International Biosphere Reserve (1,455.4 km), and is part of the Nilgiri Sub-Cluster (6,000 km), Western Ghats World Heritage Site, recognised by UNESCO in 2007.