The Vattapparambu stream and the Kunduman thodu are its important tributaries.

The river has a north-westerly course up to the Irattur Malai from where it flows west up to Pampira and then takes a more or less south-westerly course till its exits into the Paravur Kayal near Meenad.

The river passes through the villages of Channapetta , Alayamon , Vayala, Pampira, Ayur, Thiruvambhagam, Atturkonam and Adichanallore.

Kottiyam, Chathannoor and Chadayamangalam are some of the important places in the basin.

Nearest major railway station is Kollam Junction.