Ashtamudi Lake in the Kollam District of the Indian territory of Kerala, is the most gone to backwater and lake in the state. It has a novel wetland biological community and an expansive palm-molded water body, second just in size to the Vembanad estuary environment of the state. Ashtamudi signifies 'eight coned' in the nearby Malayalam dialect. The name is demonstrative of the lake's geology with its ious branches. The lake is additionally called the door to the backwaters of Kerala and is notable for its houseboat and backwater resorts. Ashtamudi Wetland was incorporated into the rundown of wetlands of global significance, as characterized by the Ramsar Convention for the preservation and reasonable use of wetlands.
Kallada River is a noteworthy stream releasing into the Ashtamudi Lake. The Kallada stream, which begins close Ponmudi from the Kulathupuzha slopes the Western Ghats is shaped by the conjunction of three waterways, Kulathupuzha, Chenthurnipuzha, and Kalthuruthipuzha, and in the wake of crossing a separation of around 121 km through virgin woods at last debouches into the Ashtamudi wetland at Neendakara an angling harbor close Kollam as it enters the Laccadive Sea. With a most extreme profundity of 21 ft 6.4 m at the conjunction, it is Kerala's most profound estuary.