A large bath that generously offers the sodium bicarbonate spring, known as a beautifying hot spring, in a free-flowing natural spring format. The water is characterized by its smooth, silky texture, softening the skin and leaving it moist and supple after bathing. In addition to the indoor bath with panoramic views of the magnificent natural scenery of Okunakayama Kogen, you can enjoy an open-air bath that lets you feel the clear highland breeze directly on your skin.

A large bath in the main building known for its wide variety of baths. In addition to the main tub, where you can enjoy the natural sodium bicarbonate hot spring, with a slight amount of added water and heat, it also features an electric bath that uses pleasant electrical stimulation to promote circulation, as well as herbal baths and event baths that gently loosen the body. The synergistic effect of the hot spring and the varied bathtubs warms you deeply from the core and helps relieve fatigue.