Kalpathy is a small town in Palakkad (Palghat) district) which is a religious centre known for several temples. Kalpathy temple was built in 1425 A.D and is considered to be the oldest Siva temple in South Kerala. There are number of temples in Kalpathy Palakkad one attached to each of the 20 gramams in the town.
The chief and most richly endowed is in Kalpathy dedicated to Lord Shiva, a low quadrangular temple on the banks of Kalpathy River. Legend has it that One Lakshmy Amma , a widow of Sekhari Puram came back from Kashi and gave the prince Itikombi Achan 1320 gold coins in 1424-25 AD and requested him to build the temple of Siva.
Kalpathy Ratholsavam or Kalpathi Ratholsavam is an annual chariot festival held at Sri Visalakshi Sametha Sri Viswanatha Swamy Temple (also known as Kalpathy Temple or Kasi Viswanathaswamy Temple) in the Kalpathi village of Palakkad district in Kerala.