Kallada River is a major river discharging into the Ashtamudi Lake.
The Kallada river, which originates near Ponmudi from the Kulathupuzha hills Western Ghats  is formed by the confluence of three rivers, viz.,
Kulathupuzha, Chenthurnipuzha, and Kalthuruthipuzha, and after traversing a distance of about 121 km (75 mi) through virgin forests finally debouches into the Ashtamudi wetland at Peringalam near Kollam.
With a maximum depth of 21 ft (6.4 m) at the confluence, it is Kerala's deepest estuary.
Kallada River is a major river discharging into the Ashtamudi Lake. The Kallada river, which originates near Ponmudi from the Kulathupuzha hills Western Ghats  is formed by the confluence of three rivers, viz., Kulathupuzha, Chenthurnipuzha, and Kalthuruthipuzha, and after traversing a distance of about 121 km (75 mi) through virgin forests finally debouches into the Ashtamudi wetland at Peringalam near Kollam. With a maximum depth of 21 ft (6.4 m) at the confluence, it is Kerala's deepest estuary.
Ashtamudi Lake