Big bath・Outdoor bath
An open-air bath that overhangs the basin and makes you feel as if you are floating on the water. The open-air bath is a deep bath with a depth of 120 cm, and the indoor bath is shallow water, and the quality of the spring is sodium bicarbonate spring, which makes you feel that your skin has become smooth, so it is also said to be a "beautiful hot spring" At night, it is bathed in the light of illuminations, and it changes to a fantastic and romantic scene.