The natural hot spring, which is famous for its beauty hot water, flows directly from the source. Okudogo Ichiyu no Mamoru is a hot spring guardian of the Okudogo hot spring, which boasts an abundant amount of hot spring water and a richly effective spring quality. We are looking forward to welcoming you at "Waza・Yu". Relax to your heart's content surrounded by the beautiful panorama of nature that can be seen from the largest open-air bath in western Japan.