The fountain, a 13th century Seljuk structure, is fed by a spring outside of the wall. To gather water, there is a reservoir built of brick.
Water comes both to this fountain and to a cistern of historical bath by earthen ware pipe. There is a Seljuk inscription at pediment of the fountain brought from somewhere else. It is known that people at castle ensured their water needs if required.
During the restoration, an honorary inscription, belonging to early Roman period, was found. As a result of excavations carried out in the ground next to Girene Fountain, a seven steps from walkway at Tophane Neighborhood to this fountain and a space, which its south and east walls are partly preserved, are uncovered.