- Source: Walayar River
Walayar River (also called Velliyar River or Valliyar River) is one of the tributaries of the river Kalpathipuzha.It originates in the Sirumalai hills. The Kalpathipuzha is one of the main tributaries of the Bharathapuzha River, the second-longest river in Kerala, India. The Walayar Dam is constructed across this river. It was completed and opened in 1964. The river is by a valley and a garden equipped with a children's play area. Previously, Walayar Dam was as famous as Malampuzha Dam.