At the downstream side of the dam, they constructed a hot spring facility 'Springs Hiyoshi,' which is equipped with hot springs, a swimming pool, and a gymnasium, and planted grass over a wide area to create a park with a camp site.
ダム直下流部に複合温泉施設として「スプリングスひよし」を建設、温泉・プール・体育館等を備え、広大な芝生を植えキャンプ場や公園等を整備。