Sri Uchinathar Temple is a Lord Shiva temple in Shivapuri in Cuddalore district of Tamil Nadu. The temple is the 3rd padal petra sthalam in the series and the Lord Shiva here was worshipped by Thirugnasambandar.
The temple was built during 7th century AD and has 3 tiered gopuram.
The temple place is also known as Thirunelvoil and later known now as Shivapuri. The Lord Shiva here is known as Uchinathar and also as Madyaneswarar Temple.
According to legends, Lord Shiva has served food to Sundarar while he was hungry. There is also a water tank near the temple known as Kripasamudaram.

Padal Petra Sthalam
This is one of the 276 temples mentioned in Devaram which are collections of songs of these temples by Thirunavukkarasar, Thirugnasambandar, Sundarar and Manickavasagar. These collection of songs composed by the great saints describe many of these temples, deities, history, legends, sthala vruksha, temple ponds and other details about the god and temple.