Erattayar Dam
Erattayar Dam (Malayalam: ഇരട്ടയാർ അണക്കെട്ട്) is a small, diversion dam built on the Erattayar river in Erattayar grama panchayat near Kattappana town in Idukki district of Kerala, India. It acts mainly as a diversion dam to supply water to the Idukki dam.