The pilgrimage to Agni Theertham in rameshwaram holds a significant place among Hindu Devotees, who visit here to offer their prayers and atone their sins by bathing in its holy waters. The word agni refers to fire in Sanskrit language while the word theertham means holy water.
Agni Tirtham, one of the most important is also the most visited theertham here.  It is the only theertham of the Sri Ramanathaswamy temple, which is located outside the temple complex.