The Vinayakar Shrine at Pillayarpatti is one of the oldest cave temples of Tamilnadu. Pillayarpatti is situated between Pudukkottai and KaraikkudiThe town of Pillaiyarpatti is named after 'Pillayar' - the tamil name for Ganesha. Desi Vinayaka Pillaiyar.6 feet tall ,is the presiding deity here, and is portrayed with two arms and a trunk turned on his right side.Other deities in the temple include Marudankudi Eesar and his consort Vaadaamalar Mangai. The temple is 1600 years old. The pillars within the shrine are of pre-Pallava origin.Everyday, five worships are performed.During the fourth phase of each lunar half month, Pillayar is taken in procession around the temple in presence of hundreads of pilgrims.Ten days Ganesh Chaturthi festival is celebrated in a big way.