Bihada no Yu
TypeNatural Hot Spring
An alkaline, simple, weakly radioactive sulfur spring with a pH of 9.6. The silky water helps remove old skin cells and leaves skin feeling smooth.
Relax with the Bihada no Yu beauty hot spring and private-room oil lymphatic massage
Kumamoto Yamaga City
A day-use hot spring facility surrounded by nature-rich satoyama, offering a 100% free-flowing natural spring. Enjoy the silky pH 9.6 Bihada no Yu beauty hot spring, a far-infrared sauna, a deep cold plunge bath, and a pleasant outdoor relaxation space. Private-room oil lymphatic massages are also available for comprehensive mind and body care.
TypeNatural Hot Spring
An alkaline, simple, weakly radioactive sulfur spring with a pH of 9.6. The silky water helps remove old skin cells and leaves skin feeling smooth.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity6people
A far-infrared sauna available in both the men's and women's areas. Its mild settings let you sweat gently over time.
Water QualityTap Water
Capacity2people
A cold plunge bath where water overflows from a tap. The water temperature is a mild around 20℃, allowing for long, leisurely soaks.
Closed Days: Thursday
5235 Hirayama, Yamaga City, Kumamoto 861-0556, 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
Relax with the Bihada no Yu beauty hot spring and private-room oil lymphatic massage
Kumamoto Yamaga City
A day-use hot spring facility surrounded by nature-rich satoyama, offering a 100% free-flowing natural spring. Enjoy the silky pH 9.6 Bihada no Yu beauty hot spring, a far-infrared sauna, a deep cold plunge bath, and a pleasant outdoor relaxation space. Private-room oil lymphatic massages are also available for comprehensive mind and body care.
TypeNatural Hot Spring
An alkaline, simple, weakly radioactive sulfur spring with a pH of 9.6. The silky water helps remove old skin cells and leaves skin feeling smooth.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity6people
A far-infrared sauna available in both the men's and women's areas. Its mild settings let you sweat gently over time.
Water QualityTap Water
Capacity2people
A cold plunge bath where water overflows from a tap. The water temperature is a mild around 20℃, allowing for long, leisurely soaks.
Closed Days: Thursday
5235 Hirayama, Yamaga City, Kumamoto 861-0556, 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