Enjoy breathtaking open-air baths overlooking the mountains of Echigo, along with 2 kinds of saunas and medicinal herb baths
Niigata Uonuma City
"Hatsukaishi Onsen Ishiuchi Yungparunas" is a scenic hot spring facility located near a ski resort in Minamiuonuma, Niigata Prefecture. In addition to a full-fledged dry sauna set at 90 degrees, it also offers two kinds of saunas: a low-temperature salt sauna where you can slowly detox. After the sauna, the cold plunge bath and outdoor air baths in the open-air bath, overlooking the Echigo Sanzan mountains and the Uonuma panorama, are a luxurious experience unique to this facility. Other highlights include medicinal herb baths made from natural blessings gathered by the staff, as well as a variety of bathing options such as waterfall showers and ceramic baths. You can relax to your heart's content while taking in the changing seasons and the sea of clouds.
TypeNatural Hot Spring
A sodium-chloride hot spring with a source temperature of 60 degrees. The salt-rich water has strong moisturizing and warming effects, and its warmth lingers long after you get out. You can enjoy the natural hot spring in a variety of baths, including an indoor bath and a scenic open-air bath overlooking the mountains of Uonuma.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A full-fledged sauna with powerful heat, set at around 90 degrees. In a comfortably sized room, you can face the heat at your own pace and work up a sweat efficiently. Clean and refreshing, it is ideal for resetting the fatigue of the day.
Sauna TypeSalt Sauna
Capacity6people
A low-temperature sauna set at around 50 degrees, allowing you to warm up slowly without putting strain on your body. By massaging yourself with the provided salt, you can wash away dirt from your pores and leave your skin feeling smooth, with expected beauty and detox effects.
Water QualityTap Water
Capacity2people
A cold plunge bath characterized by its crisp, refreshing chill. It cools the body down right after the sauna, tightens the blood vessels, and leads you into a deep state of totonou during the subsequent outdoor air bath.
Closed Days: None
949-6372 Niigata Prefecture, Minamiuonuma, Ishiuchi aza Dodou 946
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
Enjoy breathtaking open-air baths overlooking the mountains of Echigo, along with 2 kinds of saunas and medicinal herb baths
Niigata Uonuma City
"Hatsukaishi Onsen Ishiuchi Yungparunas" is a scenic hot spring facility located near a ski resort in Minamiuonuma, Niigata Prefecture. In addition to a full-fledged dry sauna set at 90 degrees, it also offers two kinds of saunas: a low-temperature salt sauna where you can slowly detox. After the sauna, the cold plunge bath and outdoor air baths in the open-air bath, overlooking the Echigo Sanzan mountains and the Uonuma panorama, are a luxurious experience unique to this facility. Other highlights include medicinal herb baths made from natural blessings gathered by the staff, as well as a variety of bathing options such as waterfall showers and ceramic baths. You can relax to your heart's content while taking in the changing seasons and the sea of clouds.
TypeNatural Hot Spring
A sodium-chloride hot spring with a source temperature of 60 degrees. The salt-rich water has strong moisturizing and warming effects, and its warmth lingers long after you get out. You can enjoy the natural hot spring in a variety of baths, including an indoor bath and a scenic open-air bath overlooking the mountains of Uonuma.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A full-fledged sauna with powerful heat, set at around 90 degrees. In a comfortably sized room, you can face the heat at your own pace and work up a sweat efficiently. Clean and refreshing, it is ideal for resetting the fatigue of the day.
Sauna TypeSalt Sauna
Capacity6people
A low-temperature sauna set at around 50 degrees, allowing you to warm up slowly without putting strain on your body. By massaging yourself with the provided salt, you can wash away dirt from your pores and leave your skin feeling smooth, with expected beauty and detox effects.
Water QualityTap Water
Capacity2people
A cold plunge bath characterized by its crisp, refreshing chill. It cools the body down right after the sauna, tightens the blood vessels, and leads you into a deep state of totonou during the subsequent outdoor air bath.
Closed Days: None
949-6372 Niigata Prefecture, Minamiuonuma, Ishiuchi aza Dodou 946
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more