Annually many festivals are carried out in the temple. Sonic of the festivals are famous and important most famous festival is “Karthigal Deepam” and is celebrated in the month of November/December. This festival is celebrated for ten clays. During the festival everyday in the morning and night ‘Lord Arunachaleswara’ will come for procession. In the morning ‘Lord Chandrashegara’ will come for procession, In the Night ‘Lord Periya Nayagar’ will come for the Procession. The smiling face of the ‘Periya Nayagar’ steals the show. Everyone should dharshan ‘Periya Nayagar’
Bhrammsnotsavams (10 day festivals) the most famous of which is the Kartikai Bhrammotsavam (in the Tamil month of Kartikai Nov 15 - Dec 15).
The Arudra Darisanam in the month in Margazhi (Dec 15 through Jan IS) is a celebration of the cosmic dance of Shiva.
Thai Poosam festival
The Thai Poosam festival which occurs in the month of Thai (Jan 15 through Feb 15) is also of great significance, The Tiruvoodal festival, enacting a mock quarrel between Annamalaiyaar and Unnamulai Amman is enacted in the presence of Sundaramoorthy Nayanaar in the Tiruvoodal Street, a street that has been earmarked for this annual event.
During this quarrel, Parvati enters the temple alone by herself, leaving Shiva Outside, and Shiva (Annamalaiyaar) circumambulates the Annamalai hill (himself), and during his trip, grants liberation to the rishi Bhringi. His jewels get stolen in the West side of the town and he then recovers stolen jewellery in the eastern side of the town, and then returns to the temple the following morning.
In the month of Maasi, (Feb 15 through March 15) Shiva is crowned as the King in the absence of a royal heir to King Ballala of the Hoysala dynasty (an early 14th century ruler) whose statue adorn,s the Vallala Gopuram.