Sri Karavera Nathar (Brahmmapureeswarar) temple is located in the village named Karaiveeram, in the district of Tiruvarur, in the state of Tamil Nadu in South India. The primary deity of this temple is Karavera Nathar (Brahmmapureeswarar) (Lord Shiva) and his consort is Pratyakasha Minnammai.
The holy trees of this temple are Sevvarali-Red flower plant and Alari. The holy water of this temple is Anavaradha theertham. The agamam or pooja of this temple is known as Karana Agama. This temple is nearly 1000-2000 years old in this region. The historical name of this place is Karaveeram.
According to the local legends, “The shrine is praised by the three celebrated Saivite Saints, Sambandar, Tirunavukkarasar and Sundarar. This is the 91st Lord Shiva temple on the southern bank of Cauvery praised in Thevaram hymns.”
The festivals of this temple are every new moon day, Margazhi Tiruvadhirai in December-January; Panguni Uthiram in March-April, Maha Shivrathri in February-March, Deepavalli, Pongal, New Year day as per the Georgian calendar and Hindu traditional calendar, Masi month, Amavasya, Pournima days, Vaikunta Ekadashi days and other Lord Shiva related festivals are celebrated in grand manner.
Lord Shiva in the shrine is a swayambumurthy. The temple is open for all the devotees and pilgrims from 6.00 a.m. to 12.00 a.m. and from 5.00 p.m. to 8.30 p.m. Vinayaka of the temple is largely praised as Lord Raja Ganapathy in this shrine. It is to be noted that in this shrine, women water the Sthala Vruksha – sacred tree near the Samadhi of Sage Gautama on all new moon days.