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.
This wildlife sanctuary shares a boundary with the Periyar Tiger Reserve on its southwestern edge and is in close proximity to the Megamalai Reserve Forest on its northwestern side, while its southern limit coincides with the Sivagiri Reserved Forest of Tirunelveli Forest Division.