Kameria Onsen
TypeNatural Hot Spring
An alkaline, slightly hypotonic cold mineral spring. The water is colorless and a bit slippery, and it is reputed to leave the skin feeling smooth after bathing.
Hot spring sauna nestled in a mountain valley surrounded by nature
Kagawa Sanuki City
Kameria Onsen is located in the nature-rich surroundings of Sanuki City. Its dry sauna, beloved by regulars, reaches temperatures close to 100℃, offering an intense, satisfying heat. The cold plunge bath changes temperature with the seasons and can fall into the single digits in winter (below 10℃). You can refresh here with a warming hot spring that has a wood-fired feel.
TypeNatural Hot Spring
An alkaline, slightly hypotonic cold mineral spring. The water is colorless and a bit slippery, and it is reputed to leave the skin feeling smooth after bathing.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity10people
A high-temperature dry sauna close to 100℃. There is no TV or background music, so you can quietly sweat while timing yourself with an hourglass.
Sauna TypeMist Sauna
Capacity5people
A sauna with a constant mist spray. It maintains a mild temperature, allowing you to warm up your body slowly.
Water Qualitytap
Capacity2people
A continuously flowing cold plunge bath. The water temperature responds to outdoor air temperature and in winter can drop into the single digits.
Closed Days: Thursday
2988-1 Ishida Higashi Ko, Samukawa-cho, Sanuki City, Kagawa 769-2321, 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
Hot spring sauna nestled in a mountain valley surrounded by nature
Kagawa Sanuki City
Kameria Onsen is located in the nature-rich surroundings of Sanuki City. Its dry sauna, beloved by regulars, reaches temperatures close to 100℃, offering an intense, satisfying heat. The cold plunge bath changes temperature with the seasons and can fall into the single digits in winter (below 10℃). You can refresh here with a warming hot spring that has a wood-fired feel.
TypeNatural Hot Spring
An alkaline, slightly hypotonic cold mineral spring. The water is colorless and a bit slippery, and it is reputed to leave the skin feeling smooth after bathing.
Sauna TypeDry Sauna
Stove Typefar_infrared
Capacity10people
A high-temperature dry sauna close to 100℃. There is no TV or background music, so you can quietly sweat while timing yourself with an hourglass.
Sauna TypeMist Sauna
Capacity5people
A sauna with a constant mist spray. It maintains a mild temperature, allowing you to warm up your body slowly.
Water Qualitytap
Capacity2people
A continuously flowing cold plunge bath. The water temperature responds to outdoor air temperature and in winter can drop into the single digits.
Closed Days: Thursday
2988-1 Ishida Higashi Ko, Samukawa-cho, Sanuki City, Kagawa 769-2321, 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