A pH 1.8 highly acidic "golden bath" and a single-temperature cold plunge bath with free-flowing groundwater
Hokkaido Teshikaga Town
"Kawayu Kanko Hotel" is a hot spring hotel located in the Kawayu Onsen area of Teshikaga, Hokkaido, and is devoted to the quality of its spring source. Its biggest feature is its "acidic sulfur spring," with an astonishingly strong acidity of pH 1.8. The 100% pure spring water is used without any added water, heating, or circulation, and is known as a "beauty bath" that offers strong sterilizing effects and revitalizes the skin. The sauna area is equipped with a far-infrared sauna that gently warms the body from within, as well as a cold plunge bath that uses abundant natural groundwater in a continuous flow. During the outdoor air bath, you can experience a one-of-a-kind state of perfect relaxation in the fresh air of Mashu.
TypeNatural Hot Spring
A natural hot spring with an acidic sulfur spring boasting a pH of 1.8. With free-flowing spring water and no added water, heating, or circulation, it is characterized by its extremely rich mineral content. It is expected to have sterilizing and skin-beautifying effects, and the three bath tubs with different temperature settings let you fully enjoy the benefits of the source.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A dry sauna with far-infrared effects that gently warms the body from the inside out. While the perceived temperature is mild, it encourages a pleasant sweat from a body already warmed by the strongly acidic hot spring. In a calm atmosphere, you can enjoy a relaxing sauna time.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A very cool cold plunge bath that uses abundant groundwater in a continuous flow. At times, the water temperature can be in the single digits, instantly and powerfully tightening a body heated by the sauna or a high-temperature hot spring. The water quality is excellent, allowing for a refreshing and cooling cooldown.
Closed Days: None
〒088-3465 1-30 Kawayu Onsen, Teshikaga-cho, Kawakami-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
A pH 1.8 highly acidic "golden bath" and a single-temperature cold plunge bath with free-flowing groundwater
Hokkaido Teshikaga Town
"Kawayu Kanko Hotel" is a hot spring hotel located in the Kawayu Onsen area of Teshikaga, Hokkaido, and is devoted to the quality of its spring source. Its biggest feature is its "acidic sulfur spring," with an astonishingly strong acidity of pH 1.8. The 100% pure spring water is used without any added water, heating, or circulation, and is known as a "beauty bath" that offers strong sterilizing effects and revitalizes the skin. The sauna area is equipped with a far-infrared sauna that gently warms the body from within, as well as a cold plunge bath that uses abundant natural groundwater in a continuous flow. During the outdoor air bath, you can experience a one-of-a-kind state of perfect relaxation in the fresh air of Mashu.
TypeNatural Hot Spring
A natural hot spring with an acidic sulfur spring boasting a pH of 1.8. With free-flowing spring water and no added water, heating, or circulation, it is characterized by its extremely rich mineral content. It is expected to have sterilizing and skin-beautifying effects, and the three bath tubs with different temperature settings let you fully enjoy the benefits of the source.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A dry sauna with far-infrared effects that gently warms the body from the inside out. While the perceived temperature is mild, it encourages a pleasant sweat from a body already warmed by the strongly acidic hot spring. In a calm atmosphere, you can enjoy a relaxing sauna time.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A very cool cold plunge bath that uses abundant groundwater in a continuous flow. At times, the water temperature can be in the single digits, instantly and powerfully tightening a body heated by the sauna or a high-temperature hot spring. The water quality is excellent, allowing for a refreshing and cooling cooldown.
Closed Days: None
〒088-3465 1-30 Kawayu Onsen, Teshikaga-cho, Kawakami-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