Thiruvali-Thirunagari

Thiruvali-Thirunagari is a paired Divya Desam — two distinct temple towns in Sirkazhi taluk, Nagapattinam district, traditionally counted together as a single entry in the 108. Thiruvali enshrines Trivikrama Perumal — Vishnu as the cosmic strider — and Thirunagari enshrines Thadalan Perumal, another manifestation of Vishnu associated with the epic cosmic stride (thadal = stride, long step). Both were celebrated in Thirumangai Alvar's Periya Thirumozhi. The pairing reflects an ancient theological understanding: Vamana and Trivikrama are two aspects of the same divine event. The Nagapattinam belt is extraordinarily rich in Divya Desams — the district contains more Divya Desams than almost any other in India — and Thiruvali-Thirunagari fits into this dense constellation of sacred sites. Sirkazhi itself is one of the great Alvar towns, birthplace of Thirugnanasambhandar of the Shaiva tradition.

The tradition holds that at Thiruvali, Vishnu took the form of Trivikrama and completed his first and second cosmic strides here, while at Thirunagari (the 'city of eternal strides'), he rested after the third stride, placing his foot on Mahabali's head. The two towns thus represent the two phases of the same cosmic act — the leap that covered all creation — and pilgrims visiting both are believed to symbolically witness the entire Trivikrama event.