Aadi Pooram festival at Thiruvannamalai Arunachaleswarar Temple is one of the most celebrated events in the temple. In 2020, Thiruvannamalai Aadi Pooram utsavams begins on 15 July and ends on 24 July with Aadi Pooram festival.
At this temple, Aadi Pooram Bramorchavam is celebrated for 10 days in Aadi Masam.
Arunachaleswarar Temple at Thiruvannamalai is one of the biggest and grandest Shiva Temple in South India. It is also known as Annamalai Temple and is the home of Arunachaleswarar. The Goddess here is Unnamulai Amman. This is one of the most famous Shiva Temple in Tamilnadu.
Thiruvannamalai is over 100 km south of Kanchipuram and 185 km from Chennai. It is well connected by rail and road. The Arunachaleshwara Shiva Temple in Tamilnadu is one of the main attractions of tourism in south India and attracts thousands of devotees.