With a collection of beautiful Mural paintings, some of which are more than 400 years old, this gigantic 1000 year old temple and historical structure is famous for the Nataraja Mural near the main gate.
The structure till date, displays its original colors without much preservation. The shrine of Vadakkumnathan is also situated there, which is apparently covered completely under ghee for centuries, without any incidence of melting. The shrines of Mahavishnu and Shankaranarayan are also located in the temple. It features one of the largest Dance Hall, called Koothambalam which depict unique Keralan architecture. It hosts traditional performances called Nangyar Koothu. Just outside the temple complex are situated the Thiruvambadi Krishna Temple and Paramekkavu Devi Temple, which are considered to be the sister temples of Vadakummnathan. This Temple is strictly open to Hindus. Non-Hindus are not allowed inside, but they can stand outside and look at the photos from there.