Refresh yourself with a radon spring surrounded by Atsuma's nature and a sauna filled with powerful heat
Hokkaido Atsuma Town
"Kobushi no Yu Atsuma" is a day-use bathing and lodging facility in Atsuma, Hokkaido. Its many different baths are a highlight, and its popular radon spring, with strong ionizing effects that warm both body and mind from the core, is especially well known. The sauna is a full-fledged dry sauna, set to a comfortably high temperature that delivers a solid heat and encourages a thorough sweat. Combined with the crisp cold plunge bath, it offers an ideal environment for resetting everyday fatigue. In the open-air bath, you can feel Atsuma's clear air and spend a relaxing time in a quiet setting.
TypeArtificial Hot Spring
An artificial radon spring that makes use of the power of radium ore. Its strong ionizing effects promote circulation and gently warm you all the way to the core. With a range of expected benefits, it is a soothing bath that gently melts away daily fatigue.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A high-temperature dry sauna that delivers a distinctly strong heat. Thanks to its far-infrared effect, it warms you deeply from the core and lets you experience a high-quality sweat. In the calm atmosphere of the room, it is a space where you can quietly focus on yourself while working up a sweat.
Water QualityTap Water
Capacity2people
A cold plunge bath known for its crisp, refreshing temperature. It quickly cools down your heated body after the sauna, leaving you feeling rejuvenated and refreshed. Though compact, its appeal lies in giving you a proper cooldown experience.
Closed Days: None
229-1 Hongo, Atsuma, Yufutsu District, Hokkaido 059-1605
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
Refresh yourself with a radon spring surrounded by Atsuma's nature and a sauna filled with powerful heat
Hokkaido Atsuma Town
"Kobushi no Yu Atsuma" is a day-use bathing and lodging facility in Atsuma, Hokkaido. Its many different baths are a highlight, and its popular radon spring, with strong ionizing effects that warm both body and mind from the core, is especially well known. The sauna is a full-fledged dry sauna, set to a comfortably high temperature that delivers a solid heat and encourages a thorough sweat. Combined with the crisp cold plunge bath, it offers an ideal environment for resetting everyday fatigue. In the open-air bath, you can feel Atsuma's clear air and spend a relaxing time in a quiet setting.
TypeArtificial Hot Spring
An artificial radon spring that makes use of the power of radium ore. Its strong ionizing effects promote circulation and gently warm you all the way to the core. With a range of expected benefits, it is a soothing bath that gently melts away daily fatigue.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A high-temperature dry sauna that delivers a distinctly strong heat. Thanks to its far-infrared effect, it warms you deeply from the core and lets you experience a high-quality sweat. In the calm atmosphere of the room, it is a space where you can quietly focus on yourself while working up a sweat.
Water QualityTap Water
Capacity2people
A cold plunge bath known for its crisp, refreshing temperature. It quickly cools down your heated body after the sauna, leaving you feeling rejuvenated and refreshed. Though compact, its appeal lies in giving you a proper cooldown experience.
Closed Days: None
229-1 Hongo, Atsuma, Yufutsu District, Hokkaido 059-1605
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