The dam site is a very good picnic spot and it is situated at a distance of 75 Kms from Kanyakumari.This dam in Kalkulam Taluk, was built during the days of the Maharaja Sri Moolam Thirunal across the river Kodayar. The construction of the dam was designed on the pattern of the Periyar dam in the Madurai district. The length of the dam is 425.1 mts. It has a catchment area of 204.8 sq.km. There is a camp shed provided at the dam side for the visitors. The weather is very pleasant and hence attracts a large number of tourists. Boating facility is available here.