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.