Arunachaleshwar temple at Thiruvanamallai is one of the biggest and grandest Shaivite temple in South India.Annamalai Temple the famous shrine of Tamilnadu, home of Lord Siva called Arunachaleswar . The Goddess (Ambaal) here is UNNAMULAI AMMAN The temple has four stately towers on all the four sides and four high stone walls just like the rampart walls of a fort. The eastern tower is called the Rajagopuram and is the highest. The southern tower is called Thirumanjanagopuram, the western one is called Peygopuram and the northern one is called Ammaniammagopuram. The temple occupies an area of about 25 acres of land and is one of the biggest in South India. The walls on the east and west measure 700 feet each. The southern wall is 1479 feet long and north wall is 1590 feet. The Rajagopuram, which adorns the east gateway is 217 feet high with 11 storeys, its base measure 135 feet by 98 feet. There are five inner rounds and the temple is said to have seven prakaras.The fifth prakaram (enclosure )
Tiruvannamalai is over 100 km south of Kanchipurarn and 185 km southwest of Madras. There are over 100 temples in this town. The most famous temple is the Arunachaleswara Temple, dedicated to Lord Siva and Parvati.