Annamalaiyar Temple is a prominent Hindu temple located in Tiruvannamalai, Tamil Nadu, India. Dedicated to Lord Shiva, it is one of the largest and most revered temples in the region. The temple complex features stunning architecture, including towering gopurams (gateway towers) and intricate carvings that reflect the rich cultural heritage of South India. The temple is famous for the annual Karthigai Deepam festival, where a massive beacon is lit atop the Annamalai Hill to symbolize the divine light of Lord Shiva. Pilgrims and tourists flock to the temple throughout the year, drawn by its spiritual significance and breathtaking beauty.