A large sento soothed by abundant groundwater and a natural continuous-flow hot spring
Kagoshima Kagoshima City
Midori Onsen is a large super sento located in Okanohara-cho, Kagoshima City, Kagoshima Prefecture. The spacious main bath overflows with abundant natural bicarbonate spring water supplied as a continuous-flow spring. The sauna lineup is varied, from a high-capacity far-infrared sauna to an herbal steam sauna. Cold plunge baths are available both indoors and outdoors; the roomy gourd-shaped indoor cold plunge bath offers a strong sense of openness. The outdoor area also has benches for resting in the fresh air, allowing you to fully enjoy alternating hot and cold bathing between the hot spring and the sauna.
TypeNatural Hot Spring
Bicarbonate spring water rises from deep underground and is used liberally as a natural continuous-flow spring. With abundant flow, the large baths are always overflowing. The water is reputed to make skin smooth and is known as a beautifying bath, leaving a refreshingly clean feeling after bathing.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity25people
A spacious three-tiered dry sauna that can accommodate about 25 people. The temperature is mild but set to high humidity, so it does not feel harsh on the skin while allowing you to perspire steadily all over.
Sauna TypeSteam Sauna
Capacity8people
A steam sauna infused with the scent of medicinal herbs. Wrapped in pleasant steam, you can relax with deep breathing. The heat is milder than a dry sauna, making it ideal when you want to warm up gently over time.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
A very spacious gourd-shaped indoor cold plunge bath that feels large enough to swim in, allowing you to cool down at leisure without worrying about crowds. It uses groundwater, and the smooth water gently envelops a heated body.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity4people
An outdoor cold plunge bath where you can feel the outside air. Its temperature varies with the seasons and outdoor conditions. Benches are located nearby for a smooth transition to fresh-air resting after the plunge.
Closed Days: None
130 Okanohara-cho, Kagoshima City, Kagoshima Prefecture 891-1201, 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
A large sento soothed by abundant groundwater and a natural continuous-flow hot spring
Kagoshima Kagoshima City
Midori Onsen is a large super sento located in Okanohara-cho, Kagoshima City, Kagoshima Prefecture. The spacious main bath overflows with abundant natural bicarbonate spring water supplied as a continuous-flow spring. The sauna lineup is varied, from a high-capacity far-infrared sauna to an herbal steam sauna. Cold plunge baths are available both indoors and outdoors; the roomy gourd-shaped indoor cold plunge bath offers a strong sense of openness. The outdoor area also has benches for resting in the fresh air, allowing you to fully enjoy alternating hot and cold bathing between the hot spring and the sauna.
TypeNatural Hot Spring
Bicarbonate spring water rises from deep underground and is used liberally as a natural continuous-flow spring. With abundant flow, the large baths are always overflowing. The water is reputed to make skin smooth and is known as a beautifying bath, leaving a refreshingly clean feeling after bathing.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity25people
A spacious three-tiered dry sauna that can accommodate about 25 people. The temperature is mild but set to high humidity, so it does not feel harsh on the skin while allowing you to perspire steadily all over.
Sauna TypeSteam Sauna
Capacity8people
A steam sauna infused with the scent of medicinal herbs. Wrapped in pleasant steam, you can relax with deep breathing. The heat is milder than a dry sauna, making it ideal when you want to warm up gently over time.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
A very spacious gourd-shaped indoor cold plunge bath that feels large enough to swim in, allowing you to cool down at leisure without worrying about crowds. It uses groundwater, and the smooth water gently envelops a heated body.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity4people
An outdoor cold plunge bath where you can feel the outside air. Its temperature varies with the seasons and outdoor conditions. Benches are located nearby for a smooth transition to fresh-air resting after the plunge.
Closed Days: None
130 Okanohara-cho, Kagoshima City, Kagoshima Prefecture 891-1201, 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