A large public bath equipped with an open, spacious indoor bath offering a panoramic view of the lush forest through large windows, as well as a roomy open-air bath where you can enjoy the beauty of nature throughout the seasons. The hot spring is 100% free-flowing water from the Mizusawa source, with yunohana beautifully drifting in the water. It contains an exceptionally rich amount of the beauty ingredient metasilicic acid, and its smooth, silky texture wraps both body and mind in what is truly an ultimate beauty hot spring.

A large public bath with a chic, refined indoor bath based on black tones, leading across a small bridge to an atmospheric open-air bath. You can feel the rich greenery of the trees and the unobstructed sky up close. At night, you can quietly enjoy the luxurious free-flowing hot spring water while leisurely gazing up at the beautiful night sky filled with countless twinkling stars, creating an extraordinary bathing experience that deeply liberates the heart.

A number of private baths in the adjacent Aoniyama-so can be used for an additional fee and with advance reservation. Among them are Komakusa no Yu, a barrier-free large public bath with onsen tatami that stays warm underfoot even in winter, and Katano no Yu, where you can open the windows wide and enjoy the scent of wood while feeling as if you were in an open-air bath, offering the luxury of privately enjoying a famed hot spring.