Pranavapureeswarar-Tuyartheerthanathar Temple is located at Omampuliyur
in Cuddalore District
. It is a Shiva
temple. Facing towards the east is the three tiered rajagopuram of the temple. There is a mandapam which gives the sthala puranam of the temple. There is a stone image of Nataraja
in the sanctum and also inscriptions made by Kopperunchingan of the later Pallavas. Thai Poosam, Maasi Magam, Navaratri and Shivaratri
are the annual festivals of the temple.