Thirparappu is a town located in the Kanyakumari District in the Indian state of Tamil Nadu. It is a popular tourist destination. It is located 5.9 km from the nearby town Arumanai, 6.9 km from Kulasekaram, 42 km from Nagercoil, headquarters of the Kanyakumari District, and 55 km from Thiruvananthapuram, the capital of the Indian state of Kerala. It is famous for its falls on the Kodayar River and the Pechiparai Dam, located 13 km away.