Chinnar Wildlife Sanctuary, (CWS), is located 18 km north of Marayoor on SH 17 in the Marayoor and Kanthalloor Panchayats ofDevikulam Taluk in the Idukki district of Kerala state in South India. It is one of twelve Wildlife Sanctuaries among the Protected areas of Kerala.
It is under the jurisdiction of and contiguous with Eravikulam National Park to the south. Indira Gandhi Wildlife Sanctuary is to the north and Kodaikanal Wildlife Sanctuary is to the east. It forms an integral part of the 1,187 km2 (458 sq mi) block of protected forests straddling the Kerala-Tamil Nadu border in the Annamalai Hills. The Western Ghats, Anamalai Sub-Cluster, including all of Chinnar Wildlife Sanctuary, is under consideration by the UNESCO World Heritage Committee for selection as a World Heritage Site.