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.

This   was built across Kodayar River about a mile below the confluence of the tributaries Kallar,  Sittar and Kuttiyar at Pechiparai a place 11 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.