The Vaitarna River is a river in Nashik and Palghar district of Maharashtra. The Tansa is its left bank tributary and the Pinjal, Dehraja, and Surya are its right bank tributaries. Upper stretches of the Vaitarna are clean but in lower stretches it is polluted due to untreated industrial and civic waste. The Vaitarna is one of the most polluted rivers in India.