Adi Annamalai Temple is an ancient Shiva temple located at the foothills of Arunachala Hill. It is believed to be one of the oldest shrines in the region and is an important stop during the sacred Girivalam pilgrimage. The temple is admired for its peaceful surroundings, traditional architecture, and historical significance. Devotees visit throughout the year to seek the blessings of Lord Shiva and experience spiritual tranquility.