Kallarkutty Dam

Kallarkutty Dam is a masonry gravity dam on the Muthirapuzha, which feeds the Periyar, at Kallarkutty in Vellathooval panchayat, Idukki district. Completed in 1961 as part of the Neriamangalam Hydroelectric Project, it is 43 metres high and 183 metres long, and diverts water to the Neriamangalam powerhouse near Panamkutty; the project, led by KSEB engineer E. U. Philipose, was raised from 45 MW to 52.65 MW in 2006.

The reservoir, fed by both arms of the Muthirapuzha, spreads over about 0.65 sq km, and boating and other hydel tourism activities are run on it.