A large bath equipped with Ishiyama-no-Yu, a wild and full-of-character open-air rock bath, and Irie no Taki, an indoor bath, boasting one of the largest spaces in Oga Onsenkyo. The open-air bath faces a vast garden where seasonal wildflowers bloom, allowing you to enjoy freshly sourced spring water in an overwhelming sense of openness while feeling a pleasant breeze. At the spout of the indoor bath, yubosatsu has formed over many years as mineral deposits accumulated, taking on a Jizo-like shape. This salt-rich hot spring, whose composition is very similar to seawater, is atsunoyu that helps prevent you from cooling off too quickly and leaves your skin feeling moisturized.