Bath
TypeNatural Hot Spring
A pH 8.1 weakly alkaline "beauty hot spring". The silky, soft water allows a leisurely soak while gazing at the Aso Five Peaks.
Enjoy a spring-fed cold plunge bath while overlooking the Aso Five Peaks
Kumamoto Minamiaso Village
A hot spring facility blessed with abundant water sources in the Kukino district of Minami-Aso Village. Its attractive location offers panoramic views of the Aso Five Peaks from every room. The hot spring is a pH 8.1 weakly alkaline "beauty hot spring". The sauna uses a convective stone stove so you can feel solid heat. Notably, the cold plunge bath is continuously supplied with Aso's famed groundwater, allowing you to enjoy an exquisite natural cold plunge that stays at 16-17°C year-round without a chiller.
TypeNatural Hot Spring
A pH 8.1 weakly alkaline "beauty hot spring". The silky, soft water allows a leisurely soak while gazing at the Aso Five Peaks.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
A convective stone sauna available in both the men's and women's areas. It delivers strong radiant heat and is set to medium humidity for comfortable sweating.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A cold plunge bath continuously supplied with Minami-Aso's famed groundwater (well water). Even without a chiller it maintains 16-17°C year-round, offering crystal-clear, excellent-quality water.
Closed Days: None
3160 Hisaishi, Minami-Aso Village, Aso District, Kumamoto Prefecture 869-1412, Japan
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 a spring-fed cold plunge bath while overlooking the Aso Five Peaks
Kumamoto Minamiaso Village
A hot spring facility blessed with abundant water sources in the Kukino district of Minami-Aso Village. Its attractive location offers panoramic views of the Aso Five Peaks from every room. The hot spring is a pH 8.1 weakly alkaline "beauty hot spring". The sauna uses a convective stone stove so you can feel solid heat. Notably, the cold plunge bath is continuously supplied with Aso's famed groundwater, allowing you to enjoy an exquisite natural cold plunge that stays at 16-17°C year-round without a chiller.
TypeNatural Hot Spring
A pH 8.1 weakly alkaline "beauty hot spring". The silky, soft water allows a leisurely soak while gazing at the Aso Five Peaks.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
A convective stone sauna available in both the men's and women's areas. It delivers strong radiant heat and is set to medium humidity for comfortable sweating.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A cold plunge bath continuously supplied with Minami-Aso's famed groundwater (well water). Even without a chiller it maintains 16-17°C year-round, offering crystal-clear, excellent-quality water.
Closed Days: None
3160 Hisaishi, Minami-Aso Village, Aso District, Kumamoto Prefecture 869-1412, Japan
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