This 2000 year temple dedicated to Lord Vishnu and his incarnates. The Swami Janardana as the name suggests is the presiding deity whereas other major Hindu Gods and Goddesses also reside in the temple. The idol of Swami Janardana is facing east with one hand performing Achamanam (a purification ritual) and other one raised towards his mouth. It is believed that when the hand reaches his mouth, the world will come to an end marking the end of Kali Yug. It is located 25 kilometres from Trivandrum city and 2 kilometres from Varkala-Sivagiri Railway station.