Moyar River is one of the tributary of Bhavani Tamil Nadu, South India. The Moyar river originates from a small town called Moyar along the Masinagudy - Ooty road. This is a natural line of separation between Bandipur and the Mudumalai sanctuary to the south[1]. Moyar River Gorge is 20 km long and also called as the Moyar Canyon. River flows into gorge below Theppakadu in a roaring water fall, called as Moyar falls.[2] This river is checked by dam Bhavanisagar Dam at the valley near Satyamangalam along with Bhavani River.