About Yuutoron Suijin no Yu
"Yuutoron Suijin no Yu" is a day-use hot spring facility tucked into the foothills of Mount Inakodake in Fujimi Town, Suwa District, Nagano Prefecture. The bath water is a 100% free-flowing natural spring with an exceptionally high alkaline level of pH 10.3, making it a "simple sulfur spring" known as a "beauty bath" for its remarkably silky texture that makes your skin feel instantly smooth the moment you step in. The bathing area alternates between men and women on different days, and guests can enjoy a wide variety of baths, including a large open-air bath with natural stone accents. The sauna facilities include a full-fledged dry sauna in the first-floor area and an atmospheric cave-style mist sauna in the second-floor area, and guests can fully enjoy a perfect hot-and-cold contrast bathing experience with the pleasantly refreshing natural cold mineral spring cold plunge bath in the open-air area.