Shri Ram used to roam around in the near by areas during his stay at Panchavati. He had founded the Rameshwara Linga at Patauda village during that period. This Shivlinga has eternally flowing water in it. The local residents of the area have been using it as medicine since several years. Probably it was the Ashram of muni Augusty's brother
Valmiki Ramayana  3/16/2 , 3 Manas 3/13/1 to 3/16/1.
