Palar River (295 km) is a perennial river in Tamil Nadu. Palar literally means the river of milk - 'Pal' in Tamil means 'Milk' and 'Aar' means 'River'. It orginates from the south-west of Chintamani, in Karnataka, flows around 295 km south-eastward through Tamil Nadu and falls into the Bay of Bengal. The main tributaries of the Palar are the Ponnai and Cheyyar rivers. The water flow of the river is irregular, and varies from season to season.