This is the revered temples of Lord Shiva. It signifies the Panchaboota Stalams namely, wind, water, fire, earth, and space. It is believed that the Akhilandeswari was with great fury originally, and Adi Sankaracharyar transformed it to peace. Lord Vinayaka and Subramanya shrines face Akhilandeswari.
This temple was of immense significance to the Chola kings as they constructed it. This is an extensive temple of 18 acres with towering gopurams, ornate mandapams, and 5 prakarams.
An Ekapada Trimurthy image signifying the unanimity of Brahma, Vishnu as well as Shiva is in this temple. Annual festivals such as Pankini Bhrammotsavam, Aadi Pooram, and Vasanta Utsavam are great features of this splendid temple.