Thiruooragam is a west facing temple with a 3 tier Rajagopuram at the west and 2 Prakarams. The main deity is a magnificent carving, 35 feet tall and 24 feet wide with his left leg lifted up into the sky and beyond, his right leg pressing into the depths on top of the head of King Mahabali, depicting the legend of his Vaamana Avatar. Processional deity is Peragathan. In this sanctum itself there is one more smaller deity in the form of Adisesha which together with the main deity form the Divya Desam called Thiruooragam. Thirumazhisai Azhwar, Peyazhwar and Naamazhwar have rendered Mangalasasanam here at Thiruooragam. The temple tank is situated southwest of the Rajagopuram.
There are three other 108 Divya Desam temples inside Thiruooragam – Thiruneeragam, Thirukaragam and Thirukaarvannam.
Thiruneeragam is located in the northern side of the Prakaram.
God – Neeragathan
Goddess – Nilamangaivalli
Theertham – Akroorar Theertham
Vimaanam – Jegadeeswara Vimaanam
Worshiped by Akroorar
Mangalaasasanam by Thirumangai Azhwar
Thirukaragam is located in the southern side of the Prakaram
God – Karunagara Perumal sitting on Adishesha, facing north
Goddess – Padmamani Nachiyar
Theertham – Akraya Theertham
Vimaanam – Vamana Vimanam
Worshiped by Sage Karka and Akrayar
Mangalaasasanam by Thirumangai Azhwar
Thirukaarvannam is located in the southern side of the Prakaram
God – Karvanna Perumal in standing posture, facing north
Goddess – Kamalavalli Nachiyar
Theertham – Gowri Theertham
Vimaanam – Pushkala Vimanam
Worshiped by Parvati (Gowri)
Mangalaasasanam by Thirumangai Azhwar