Edayattu Maha Vishnu temple, also known as Edayoor temple, is located in Kadavallur village in Thrissur district, Kerala. The main deities worshipped in the temple are Bhagavan Vishnu and Narasimha. The darshanam of Edayattu Maha Vishnu is towards east.
The Sankalpam of Bhagavan Vishnu in the shrine is that of Lakshmana, brother of Bhagavan Sri Ram in the Ramayana.
Prasad or naivedya is only offered one time in a day in the temple.
On a Thursday (muppettu vayazhacha) in Kumbha month (February – March), Niramala is offered.