Shri Ram had gone for a long journey along with the bank of river
Kaveri with his army after the Kishkindha episode. At the same
time he had established a Shivling at this place. Shri Ram had
visited this place twice.
Valmiki Ramayana full chapter onwards 6/4/9 Manas 5/34/2 to
5//34/ chhand 2.