The history of Arunachaleswarar Temple is deeply rooted in Hindu mythology and tradition. While the exact origins are debated, inscriptions suggest that the temple existed as early as the 9th century. The Chola dynasty significantly contributed to its expansion and architectural grandeur. Later, the Vijayanagara rulers and other dynasties added to the temple's structure and endowments. The temple has been a center of spiritual and cultural activity for centuries, attracting sages, scholars, and devotees. Legends associate the Arunachala hill with Lord Shiva himself, who is believed to have manifested as a column of fire. The temple's rich history is intertwined with the religious and cultural evolution of the region.