This sanctuary is contiguous to Periyar Tiger Reserve on the south western side and the Megamalai Reserve Forest on the north western side and Its southern limit is contiguous with the Sivagiri Reserved Forest of Tirunelveli Forest Division.
Adjacent to the Periyar Tiger Reserve on its western side is this sanctuary, which also borders the Megamalai Reserve Forest on its northwest. Its southern border coincides with the Sivagiri Reserved Forest within the Tirunelveli Forest Division.