The Chambal River, called Charmanvati in ancient times, is the largest of the rivers flowing through and Rajasthan State. This tributary of Yamuna is 960 km long. The total area drained by the Chambal up to its confluence with the Yamuna is 143,219 sq. km out of which 76,854 sq. km lies in Madhya Pradesh state, 65,264 sq. km in Rajasthan state and 1,101 sq. km in Uttar Pradesh. The Chambal basin lies between the longitudes 73º 20’ E and 79º 15’ E and latitudes 22º 27’ N and 27º 20’ N.