Soak in the 110°C heat and soft-water springs at this geo sento that lets you feel the pulse of the earth
Tokyo Nakano City
Egota-yu is a "geo sento" in Egota, Nakano City, Tokyo, making use of its distinctive semi-basement location. In a fantastical space inspired by an oasis inside a cave, you can enjoy a bath that lets you feel the blessings of the earth. The sauna is a serious one, boasting overwhelming heat that exceeds 110°C, and you can experience exceptionally high-quality sweating in a calm room filled with jazz. The sharply chilled 12°C soft-water cold plunge bath instantly tightens your body after the sauna and brings a blissful sense of release. Carbonated spring baths and soft-water baths are also available, allowing you to spend a sacred moment cut off from the bustle of the city.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
This high-temperature dry sauna is known for its overwhelming heat, exceeding 110°C. Powerful far-infrared heaters quickly promote sweating. Jazz plays inside, and the hinoki fragrance surrounds you, creating a meditative sauna experience where you can immerse yourself in heat and sound.
Water QualitySoft Water
Capacity5people
Soft water gives it a mellow feel, while its crisp coldness instantly resets your body after the sauna. In a cave-like space, you can enjoy a unique cool-down that feels like sensing the earth's chill.
Closed Days: Monday
Silk Heim Egota, 3-5-12 Egota, Nakano City, Tokyo 165-0022
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
Soak in the 110°C heat and soft-water springs at this geo sento that lets you feel the pulse of the earth
Tokyo Nakano City
Egota-yu is a "geo sento" in Egota, Nakano City, Tokyo, making use of its distinctive semi-basement location. In a fantastical space inspired by an oasis inside a cave, you can enjoy a bath that lets you feel the blessings of the earth. The sauna is a serious one, boasting overwhelming heat that exceeds 110°C, and you can experience exceptionally high-quality sweating in a calm room filled with jazz. The sharply chilled 12°C soft-water cold plunge bath instantly tightens your body after the sauna and brings a blissful sense of release. Carbonated spring baths and soft-water baths are also available, allowing you to spend a sacred moment cut off from the bustle of the city.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
This high-temperature dry sauna is known for its overwhelming heat, exceeding 110°C. Powerful far-infrared heaters quickly promote sweating. Jazz plays inside, and the hinoki fragrance surrounds you, creating a meditative sauna experience where you can immerse yourself in heat and sound.
Water QualitySoft Water
Capacity5people
Soft water gives it a mellow feel, while its crisp coldness instantly resets your body after the sauna. In a cave-like space, you can enjoy a unique cool-down that feels like sensing the earth's chill.
Closed Days: Monday
Silk Heim Egota, 3-5-12 Egota, Nakano City, Tokyo 165-0022
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