Enjoy free-flowing spring water from 1600m underground and a variety of saunas
Hokkaido Obihiro City
"Natural Hot Spring Yayoi no Yu" is a bathing facility in Obihiro, Hokkaido, that offers generously free-flowing water from its own private source. The sodium-chloride spring rising from 1600m underground is cherished as a "beauty-skin bath" for its excellent moisturizing properties and its ability to help keep skin healthy. In addition to a spacious dry sauna, the sauna facilities also include an herbal sauna and a mugwort steam sauna, offering a variety of atmospheres so you can enjoy a sweating experience to suit your mood. The cold plunge bath, supplied by free-flowing groundwater, is exceptionally refreshing and leaves the body feeling crisply toned after sauna use. In both "Iwaya no Yu" and "Kiya no Yu," which alternate weekly, you can enjoy a high-quality totonou experience.
TypeNatural Hot Spring
The sodium-chloride spring rising from 1600m underground is offered as free-flowing natural water. Rich in salt, the bathwater retains heat well and leaves the skin feeling moist and well cared for. With atmospheric rock-built and wood-built bathtubs, you can enjoy an exquisite bathing experience.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity25people
A spacious dry sauna where you can feel powerful heat in a roomy interior. Convection heat efficiently promotes sweating, creating a comfortable sauna experience. Its open, relaxing space makes it easy for even large groups to spend time here comfortably.
Sauna TypeMist Sauna
Capacity20people
A sauna where you can relax surrounded by the aroma of medicinal herbs. The temperature is set slightly lower, allowing you to slowly work up a sweat while feeling pleasantly refreshed. A calm, soothing space that refreshes both body and mind.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A refreshing cold plunge bath that uses generously free-flowing groundwater. The water is soft and gentle on the skin, offering a pleasant cooling experience with little irritation. It is spacious enough for you to calmly cool and tone down a body heated by the sauna.
Closed Days: None
〒080-0028 2-5-32 Nishi 18-jo Minami, Obihiro, 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
Enjoy free-flowing spring water from 1600m underground and a variety of saunas
Hokkaido Obihiro City
"Natural Hot Spring Yayoi no Yu" is a bathing facility in Obihiro, Hokkaido, that offers generously free-flowing water from its own private source. The sodium-chloride spring rising from 1600m underground is cherished as a "beauty-skin bath" for its excellent moisturizing properties and its ability to help keep skin healthy. In addition to a spacious dry sauna, the sauna facilities also include an herbal sauna and a mugwort steam sauna, offering a variety of atmospheres so you can enjoy a sweating experience to suit your mood. The cold plunge bath, supplied by free-flowing groundwater, is exceptionally refreshing and leaves the body feeling crisply toned after sauna use. In both "Iwaya no Yu" and "Kiya no Yu," which alternate weekly, you can enjoy a high-quality totonou experience.
TypeNatural Hot Spring
The sodium-chloride spring rising from 1600m underground is offered as free-flowing natural water. Rich in salt, the bathwater retains heat well and leaves the skin feeling moist and well cared for. With atmospheric rock-built and wood-built bathtubs, you can enjoy an exquisite bathing experience.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity25people
A spacious dry sauna where you can feel powerful heat in a roomy interior. Convection heat efficiently promotes sweating, creating a comfortable sauna experience. Its open, relaxing space makes it easy for even large groups to spend time here comfortably.
Sauna TypeMist Sauna
Capacity20people
A sauna where you can relax surrounded by the aroma of medicinal herbs. The temperature is set slightly lower, allowing you to slowly work up a sweat while feeling pleasantly refreshed. A calm, soothing space that refreshes both body and mind.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A refreshing cold plunge bath that uses generously free-flowing groundwater. The water is soft and gentle on the skin, offering a pleasant cooling experience with little irritation. It is spacious enough for you to calmly cool and tone down a body heated by the sauna.
Closed Days: None
〒080-0028 2-5-32 Nishi 18-jo Minami, Obihiro, 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