Tamil Month of Thai (Jan – Feb)
1. Thaipusam Brahmotsavam & Therottam
Thaipusam is the biggest festival celebrated at Maruthamalai. It marks the day Goddess Parvati bestowed the divine Vel upon Murugan to eradicate darkness. Spanning 10 magnificent days, the festival features Dwajarohanam (flag hoisting), daily celestial processions, and the pinnacle Car Festival (Therottam) where the ornately decorated wooden chariot carries Lord Murugan around the hill complex amidst lakhs of ecstatic pilgrims.