It is located at a distance of 5 km from kulasekaram (Kanyakumari District), and this famous falls in the Kodayar (Kothai River). Children's Swimming Pool & Dressing Room are available at Thirparappu.
Thirparappu Waterfalls is 300 feet long and consists of a rocky riverbed. The water falls from a height of nearly 50 feet and the water flows for about seven months in a year. The whole bed above the falls is one rocky mass which extends up to a distance of about quarter of a kilometer upstream where the famous Thirparappu weir has been constructed for supplying water to the paddy fields.
A Mahadever kovil located near this fall is the third one of the twelve Sivalaya's. The lord after destroying the yagyam of dhaxan as virabhadra murthi has taken abode over here. This lord, who is very sweet for the sincere worshippers, is in a fierce form. There are many old inscriptions in this temple including the one of the pandiya king dated ninth century. This temple is built around A.D. 9th Century. This is famous for its Kerala Architecture.