Sathyamangalam forest range is a significant wildlife corridor in the Nilgiri Biosphere Reserve between the Western Ghats and the rest of the Eastern Ghats. Located in Erode district of Tamil Nadu, the Sathyamangalam Tiger Reserve is the largest wildlife sanctuary in the state. Situated in a key position between the Western and Eastern Ghats, it boasts a wide variety of fauna. The reserve also adjoins Billigiriranga Swamy Temple Wildlife Sanctuary, Sigur Plateau, Mudumalai National Park and Bandipur National Park.