The Purna River is a major left-bank tributary of Godavari River originating in the Ajanta Range of hills in Aurangabad District, Maharashtra.The river lies in the rain shadow region of Maharashtra, on the Deccan Plateau, flowing through the districts of Aurangabad, Buldana, Jalna, Hingoli and Parbhani with a large catchment area measuring about 15,579 km2.This enormous catchment area is often tagged as a sub-basin of Godavari River and along with its tributaries forms a dendritic drainage pattern. It is a prime river in the Marathwada region of Maharashtra running for about 373 km before it confluences with Godavari River south of Purna city in the Parbhani district.