The rock in the middle of the river opposite to the temple is believed to be the place where a crow titled the cup of sage Agastya.

To the north of the central gate lies the entrance for the shrine of the presiding deity Lord Shiva known as Kodumudi Nathar and Makuteswarar.

To the south of the central gate lies the entrance for the shrine of female deity his consort mother Parvathy known as Panmozhi Nayaki and Soundarambika.

A ruby stone landed at Tiruvannamalai, an emerald at Eengoimalai, a Blue sapphire at Potikai, a manikkam at Vaatpoki and a diamond rested here in this temple.

It is believed that the waters of his kamandalam flowed from here as the Kaveri river to alleviate the misery of the farmers downstream.

Endowments from the Pandyan rulers such as Malayathuvuja Pandian, Maravarman Sundarapandian and Pandiya Kesarivarman are some of the kings who have donated land, jewellery etc.

Bhrammotsavam is celebrated in the tamil month Chittirai, in addition to Aadipperukku where lighted lamps are set afloat in the river.

The sun's rays illuminate the sanctum of Shiva and Ambal for a period of 4 days in the tamil months of Panguni and Aavani.