Aadi Ratneswarar Tiruvaadaanai Temple is the 9th of the Tevara Stalams in the Pandya region of Tamilnadu.

Legend: Vaaruni, the son of Varuna was relieved of Durvasa`s curse, which had given him an elephant`s body and a goat`s head. Surya worshipped a blue - diamond image of Shiva here. This shrine was originally known as Parijatavanam; the stala vriksham have been Parijatam, Vanni and Kurukkatti. Surya worshipped here, and there is a separate shrine for SuryaTejaschandar (Surya Chandikeswarar) here.

Architecture: A nine-tiered Rajagopuram (130 ft high) has several stucco figures. There are several mandapams , the Chokkatanchari mandapam has 291 carved pillars. The prakarams are well spaced and have majestic walls over 10 acres. Bhaskara Setupati the Maharaja then, carried out major renovations here

Festivals: The festival image of Ambal is taken in procession in a palanquin each Friday. The annual Bhrammotsavam is held in the month of Vaikasi while the annual festival for Ambal is held in the month of Aadi. Other festivals such as Arudra Darisanam and Kartikai Deepam are celebrated with great splendour here. The Kailasa Kaatchi festival is celebrated each year to commemorate Sundarar`s vision of Kailasam. There are several festival Vahanams and the well known diamond chariots (vairatter) owned by the temple that are used during the annual Bhrammotsavam.