Section 20. National Waterway 20 Bhavani River :

20. National Waterway 20 Bhavani River : Bhavani Sagar Dam, Sathyamangalam at Lat 11[o] 28‟16"N, Lon 77[o] 06‟49"E to confluence of Bhavani and Kaveri rivers at Kaveri river bridge on Salem-Coimbatore Highway: "National Highway-47 Lat 11[o] 25‟54"N, Lon 77[o] 41‟02"E.