| Palar River
Palar River is a rain fed river of southern India which rises in Nandi Hills and flows 93 km in Karnataka, 33 km in Andhra Pradesh and 222 km in Tamil Nadu before its confluence into the Bay of Bengal at Vayalur about 100 km south of Chennai. It flows as a Guptagamini for a long distance only to emerge near Bethamangala town, from where, gathering water and speed, it flows eastward down the Deccan Plateau.
The cities of Ramanaickenpet, Vaniyambadi, Ambur, Gudiyatham, Vellore, Melvisharam, Arcot, Walajapet (Anaicut), Kanchipuram, and Chingleput are located on banks of Palar River. Of all the total of seven tributaries, the chief tributary is Cheyyar River.