Arulmigu Sorimuthu Ayyanar temple - KarayarArulmigu Sorimuthu Ayyanar Temple is situated between Papanasam and Karaiyar Dam. It is located on the bank of River Tamaravaruni in Ambasamudram Taluk in Nellai District. It is one of the "First Aiyappan temple of South India". The presiding deity of the temple is Mahalinga Swamy. Muthianar with his two consorts Poorna and Pushkala is the main guard of worship, along with his lieutenants Sangili Bhootham, Thoosi Madan, Thulasi Madan, Pechi, Isakki, Pattavarayan. The term 'Pon Soriyum Muthian' means the Lord who down pours golden-rain in the plateau.
Many families worship Sorimuthu Ayyanar as their family deity. Those seeking child boon and relief from spells and evil effects come here.Those facing litigations and court problems place their prayers to Sorimuthu Ayyanar. People also pray to Sorimuthu Ayyanar to get more milk from their cows. People offer bronze bells to Boothathar in the temple. As the temple happens to be the first Aiyappan temple, people committing to Sabarimala begin their undertaking by wearing the Mala from here. A beautiful temple in the Pothigai hill surroundings.
People offer chappals to one deity here named Valai Pagadai, a strange custom followed here. Other usual rituals as abishek and archanas also are followed.as feeding visitors (Annadhanam).The place also serves as a health running water is very pure and though only knee-deep, gushes with electrifying current and swirling motion. A dip is a pain-reliever to our body after an arduous journey through wild forest area. resort as it is in pleasant environment.