There is an ancient Siva temple which is also called Mangalanadha Swamy temple is in Uthirakosamangai. This is the only Shiva temple where you could see a 6 feet Idol for Lord Nataraja carved in Emerald (Maragatham). This idol kept inside the temple is smeared with sandal paste.
Arudhra darshan which is held on Thiruvathirai day in the Tamil month of Margazhi every year. During this festival the sandal paste will be removed and the devotees could worship the Maragatha Nataraja idol after performing abishekams. This festival attracts a large number of devotees from Ramanathapuram district and other districts of the State.
Ervadi Santhanakoodu Festival
The Ervadi Santhanakoodu Festival is a festival held in Ervadi Dargah, to observe the anniversary of Sulthan Syed Ibrahim Shaheed Badhusha Oliyullah whose grave is in Ervadi Dargah which always remains as a symbol of religious harmony. It is a month long festival and celebrated in the Islamic month of Dhu al-Qi’dah.
Every year a huge gathering of people from all community within Tamil Nadu and elsewhere throng Ervadi on this day to witness the festival.
District administration usually announces local Holiday on this day and the State government along with TNSTC runs thousands of special buses to Ervadi from various locations of Tamilnadu.