LENGTH of the river is 365 km, out of which 240 km lies in Madhya Pradesh, 54 km common boundary between Madhya Pradesh and Uttar Pradesh, and 71 km in Uttar Pradesh.The Lehchura Dam is built on this river 10 km from HARPALPUR railway station.Residents of nearby villages regard this river as a holy river. It flows generally northeast through Madhya Pradesh and Uttar Pradesh states and empties into the Yamuna River just east of HAMIRPUR after a 380-mile (610-km) COURSE. The Jamni and Dhasan rivers are the main tributaries.The Betwa is dammed at Dukwan and Deogarh.