A long-established hot spring resort with a spectacular open-air bath overlooking the canyon and all-inclusive service
Hokkaido Kamikawa Town
"Sounkaku MOUNTAIN RESORT 1923" is a hot spring ryokan in Kamikawa, Kamikawa District, Hokkaido. This long-established inn has been welcoming guests since 1923, and it prides itself on a spectacular open-air bath overlooking a dramatic canyon landscape and a spacious, two-story public bathhouse. The dry sauna and mild cold plunge bath in the bathing area gently melt away the fatigue of everyday life. After bathing, guests can spend a luxurious time in the all-inclusive lounge, where they can freely enjoy alcohol, house-made soft-serve ice cream, and more.
TypeNatural Hot Spring
A spacious, two-story public bathhouse filled with the famous hot spring waters of Sounkyo, carried on since the inn's founding in 1923. It uses a simple hot spring with little stimulation and a gentle feel on the skin, so guests from children to the elderly can bathe with peace of mind. Surrounded by abundant water, you can savor an exquisite sense of relaxation as everyday fatigue slowly melts away.
TypeNatural Hot Spring
Located on the 5th floor of the building, this spectacular open-air bath lets you fully enjoy the dramatic canyon scenery of Daisetsuzan National Park spread out before you. Bathing in the hot spring while feeling the grandeur of nature in every season, along with the refreshing breeze, is truly exceptional. Together with the adjoining indoor bath, Jewel Bath, you can spend a blissful moment where body and mind are freed while feeling the breath of nature.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
A quiet dry sauna adjoining the Marumo public bath on the first floor. In this calm, TV-free space, you can work up a good sweat while surrounded by the warmth and pleasant aroma of wood. The mild heat gently envelops your whole body, warming you deeply from within. Free from the noise of daily life, this meditative sauna experience lets you face yourself in silence and brings deep relaxation to both body and mind.
Water QualityTap Water
Capacity4people
A compact cold plunge bath set right in front of the sauna room. Its pleasantly mild, chilled water gently wraps your heated body, allowing you to cool down without strain. The soft feel of the water is soothing, refreshing your body calmly after the sauna. Tatotou chairs are also installed around the tub, so you can quietly enjoy a moment of rest while feeling the warm steam of the famous spring.
Closed Days: None
078-1701 Sounkyo Onsen, Kamikawa-cho, Kamikawa-gun, Hokkaido
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 moreA long-established hot spring resort with a spectacular open-air bath overlooking the canyon and all-inclusive service
Hokkaido Kamikawa Town
"Sounkaku MOUNTAIN RESORT 1923" is a hot spring ryokan in Kamikawa, Kamikawa District, Hokkaido. This long-established inn has been welcoming guests since 1923, and it prides itself on a spectacular open-air bath overlooking a dramatic canyon landscape and a spacious, two-story public bathhouse. The dry sauna and mild cold plunge bath in the bathing area gently melt away the fatigue of everyday life. After bathing, guests can spend a luxurious time in the all-inclusive lounge, where they can freely enjoy alcohol, house-made soft-serve ice cream, and more.
TypeNatural Hot Spring
A spacious, two-story public bathhouse filled with the famous hot spring waters of Sounkyo, carried on since the inn's founding in 1923. It uses a simple hot spring with little stimulation and a gentle feel on the skin, so guests from children to the elderly can bathe with peace of mind. Surrounded by abundant water, you can savor an exquisite sense of relaxation as everyday fatigue slowly melts away.
TypeNatural Hot Spring
Located on the 5th floor of the building, this spectacular open-air bath lets you fully enjoy the dramatic canyon scenery of Daisetsuzan National Park spread out before you. Bathing in the hot spring while feeling the grandeur of nature in every season, along with the refreshing breeze, is truly exceptional. Together with the adjoining indoor bath, Jewel Bath, you can spend a blissful moment where body and mind are freed while feeling the breath of nature.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
A quiet dry sauna adjoining the Marumo public bath on the first floor. In this calm, TV-free space, you can work up a good sweat while surrounded by the warmth and pleasant aroma of wood. The mild heat gently envelops your whole body, warming you deeply from within. Free from the noise of daily life, this meditative sauna experience lets you face yourself in silence and brings deep relaxation to both body and mind.
Water QualityTap Water
Capacity4people
A compact cold plunge bath set right in front of the sauna room. Its pleasantly mild, chilled water gently wraps your heated body, allowing you to cool down without strain. The soft feel of the water is soothing, refreshing your body calmly after the sauna. Tatotou chairs are also installed around the tub, so you can quietly enjoy a moment of rest while feeling the warm steam of the famous spring.
Closed Days: None
078-1701 Sounkyo Onsen, Kamikawa-cho, Kamikawa-gun, Hokkaido
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