According To the Shivagrha inscription, a public h2o venture to change the program of a river in the vicinity of Shivagrha temple was undertaken during the development in the temple. The river, identified as the Opak River, now runs north to south over the western side in the Prambanan temple https://hanumantempleinadelaide.water.blog/2024/09/29/fostering-community-and-culture-at-the-hindu-temple-in-adelaide/