Proudly featuring Yokohama's signature black hot spring water and a spacious four-level tower sauna
Kanagawa Yokohama City
Gokurakuyu Yokohama Serigaya is a super sento in Konan Ward, Yokohama City, Kanagawa Prefecture, boasting one of the largest spaces in the area. You can fully enjoy Yokohama's signature black hot spring water, drawn from 1,500 m underground, in both the indoor baths and the open-air baths. In particular, the Kuroyu carbonated bath, which combines black hot spring water with carbonated spring water, is a luxurious tub that offers both skin-beautifying benefits and improved circulation. The sauna is a large, four-level tower sauna, where powerful far-infrared heat efficiently promotes sweating. After cooling down in the cold plunge bath, you can spend a blissful relaxation time in the well-equipped outdoor air bath area, lined with more than 20 chairs, while feeling the pleasant breeze.
TypeNatural Hot Spring
A brownish black hot spring unique to Yokohama, drawn from 1,500 m underground. Its sodium chloride and sodium bicarbonate spring quality is known for skin-smoothing beautifying effects and for retaining warmth so you do not get chilled easily after bathing. In the open-air area, you can also enjoy the Kuroyu carbonated bath, which combines black hot spring water with high-concentration carbon dioxide, offering a luxurious bathing experience.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity30people
A spacious, large sauna room built across four levels. Powerful yet gentle heat from far-infrared heaters slowly warms your body all the way to the core. Because the temperature differs by level, you can choose the heat that suits you best and enjoy sweating at your own pace. A TV is also installed, allowing for long sauna sessions without getting bored.
Water QualityTap Water
Capacity6people
A pleasantly cool cold plunge bath located right next to the sauna room. It gently tightens your heated body and delivers a refreshing sense of recovery. With its clean tub and smooth flow into the outdoor air bath area, it is also highly appealing. The temperature is set so that even beginners can enter comfortably, supporting a pleasant cooldown.
Closed Days: None
〒233-0006 5-54-8 Serigaya, Konan Ward, Yokohama City, Kanagawa Prefecture
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
Proudly featuring Yokohama's signature black hot spring water and a spacious four-level tower sauna
Kanagawa Yokohama City
Gokurakuyu Yokohama Serigaya is a super sento in Konan Ward, Yokohama City, Kanagawa Prefecture, boasting one of the largest spaces in the area. You can fully enjoy Yokohama's signature black hot spring water, drawn from 1,500 m underground, in both the indoor baths and the open-air baths. In particular, the Kuroyu carbonated bath, which combines black hot spring water with carbonated spring water, is a luxurious tub that offers both skin-beautifying benefits and improved circulation. The sauna is a large, four-level tower sauna, where powerful far-infrared heat efficiently promotes sweating. After cooling down in the cold plunge bath, you can spend a blissful relaxation time in the well-equipped outdoor air bath area, lined with more than 20 chairs, while feeling the pleasant breeze.
TypeNatural Hot Spring
A brownish black hot spring unique to Yokohama, drawn from 1,500 m underground. Its sodium chloride and sodium bicarbonate spring quality is known for skin-smoothing beautifying effects and for retaining warmth so you do not get chilled easily after bathing. In the open-air area, you can also enjoy the Kuroyu carbonated bath, which combines black hot spring water with high-concentration carbon dioxide, offering a luxurious bathing experience.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity30people
A spacious, large sauna room built across four levels. Powerful yet gentle heat from far-infrared heaters slowly warms your body all the way to the core. Because the temperature differs by level, you can choose the heat that suits you best and enjoy sweating at your own pace. A TV is also installed, allowing for long sauna sessions without getting bored.
Water QualityTap Water
Capacity6people
A pleasantly cool cold plunge bath located right next to the sauna room. It gently tightens your heated body and delivers a refreshing sense of recovery. With its clean tub and smooth flow into the outdoor air bath area, it is also highly appealing. The temperature is set so that even beginners can enter comfortably, supporting a pleasant cooldown.
Closed Days: None
〒233-0006 5-54-8 Serigaya, Konan Ward, Yokohama City, Kanagawa Prefecture
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