Adjacent to the Anamalai Wildlife Sanctuary of Tamil Nadu, this sanctuary sprawls across 285 sq km and offers a fascinating sight of rare wild animals. It abounds in a variety of trees, mainly teak, neem, sandalwood and rosewood. There are three dams within the Parambikulam wildlife sanctuary, , Parambikulam, Thunakadavu and Peruvaripallam. Parambikulam has the largest population of Gaurs (Indian bisons). The rich fauna includes tigers, leopards, elephants, sambars, tahrs, wild dogs, Indian muntjacs, spotted deers, jungle cats, bonnet macaques, lion-tailed macaques apart from nearly 150 species of birds. There are two watchtowers to observe animals. The place is ideal for boating and trekking. Boating and cruising facilities are available in the reservoirs.