Premium drinkable groundwater free-flow cold plunge bath and intense high-heat sauna
Kagoshima Kagoshima City
Ashikari Onsen is a popular onsen sento in Kagoshima City, Kagoshima Prefecture. The bathing area includes a main bathtub, an electric bath, jet baths, and an open-air bath overlooking a small Japanese garden. The spring is a bicarbonate spring that makes the skin feel soft, and it is used as a free-flowing natural source. The sauna is a high-temperature dry sauna near 100°C where you can sweat rapidly under intense heat. After the sauna, you can move to the cold plunge bath continuously supplied with a large volume of groundwater. The water is drinkable and has a soft, pleasant texture that feels like being wrapped in a delicate layer. There is also an open-air relaxation area where you can enjoy outdoor resting for blissful moments.
TypeNatural Hot Spring
The bicarbonate spring that wells up from underground is used liberally as a free-flowing source. Highly regarded as a beauty bath, it is said to soften the surface of the skin. You can enjoy high-quality hot spring water across a variety of baths such as an indoor hinoki cypress bath, therapeutic feature baths, and outdoor baths.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A spacious two-tier dry sauna. Far-infrared heaters are installed and the temperature is around 100°C, very hot. Moderate humidity is maintained, so despite the strong heat it is not overwhelmingly oppressive and you can sweat thoroughly in a short time.
Sauna TypeSteam Sauna
Capacity6people
A mist sauna provided exclusively for the women's bath, gentle on skin and hair. Even those who dislike the sharp heat typical of dry saunas can be enveloped in abundant steam and warm up slowly while relaxing.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
A spacious cold plunge bath located right next to the sauna room that can accommodate about 10 people. From the spout, drinkable groundwater is poured abundantly in a continuous flow. Water temperature varies with the seasons, but the water feels very soft on the skin and is so pleasant you will want to stay immersed.
Closed Days: None
45-1 Wakaba-cho, Kagoshima City, Kagoshima Prefecture 890-0006, 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
Premium drinkable groundwater free-flow cold plunge bath and intense high-heat sauna
Kagoshima Kagoshima City
Ashikari Onsen is a popular onsen sento in Kagoshima City, Kagoshima Prefecture. The bathing area includes a main bathtub, an electric bath, jet baths, and an open-air bath overlooking a small Japanese garden. The spring is a bicarbonate spring that makes the skin feel soft, and it is used as a free-flowing natural source. The sauna is a high-temperature dry sauna near 100°C where you can sweat rapidly under intense heat. After the sauna, you can move to the cold plunge bath continuously supplied with a large volume of groundwater. The water is drinkable and has a soft, pleasant texture that feels like being wrapped in a delicate layer. There is also an open-air relaxation area where you can enjoy outdoor resting for blissful moments.
TypeNatural Hot Spring
The bicarbonate spring that wells up from underground is used liberally as a free-flowing source. Highly regarded as a beauty bath, it is said to soften the surface of the skin. You can enjoy high-quality hot spring water across a variety of baths such as an indoor hinoki cypress bath, therapeutic feature baths, and outdoor baths.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A spacious two-tier dry sauna. Far-infrared heaters are installed and the temperature is around 100°C, very hot. Moderate humidity is maintained, so despite the strong heat it is not overwhelmingly oppressive and you can sweat thoroughly in a short time.
Sauna TypeSteam Sauna
Capacity6people
A mist sauna provided exclusively for the women's bath, gentle on skin and hair. Even those who dislike the sharp heat typical of dry saunas can be enveloped in abundant steam and warm up slowly while relaxing.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
A spacious cold plunge bath located right next to the sauna room that can accommodate about 10 people. From the spout, drinkable groundwater is poured abundantly in a continuous flow. Water temperature varies with the seasons, but the water feels very soft on the skin and is so pleasant you will want to stay immersed.
Closed Days: None
45-1 Wakaba-cho, Kagoshima City, Kagoshima Prefecture 890-0006, 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