Sasthamkotta Lake is the largest freshwater lake in Kerala.The lake is located at Sasthamkotta in Kollam District.
Sasthamcotta,is an attractive Tourist Village situated about 75kms from the capital city of Trivandrum and about 27kms from Kollam Town.The lake is named after the ancient Sastha temple (a pilgrimage centre) located on its bank.Sasthamkotta Lake is the largest freshwater lake in Kerala.