In the Idukki district of Kerala state in South India, Chinnar Wildlife Sanctuary (CWS) is located. It is 18 km north of Marayoor in the Marayoor and Kanthalloor Panchayats of Devikulam Taluk. It is one of twelve Wildlife Sanctuaries among the protected areas of Kerala. For about 965 species of flowering plants are there in the sanctuary. Chinnar is a habitat for the endangered Giant Grizzled Squirrel of India. Chinnar Wildlife Sanctuary is situated in the rain-shadow region in the eastern slope of the Western Ghats, adjoining the neighbouring State of Tamil Nadu.