A hot spring village on a vast 5,500-tsubo site, offering diverse baths and refreshing outdoor cool-downs in nature
Ehime Imabari City
Kiyomasa no Yu, located in Imabari City, Ehime Prefecture, is a hot spring facility boasting an expansive 5,500-tsubo site. The natural spring, said to have emerged beside a shrine dedicated to Kato Kiyomasa, is a high-quality source that helps keep you warm and is resistant to cooling down. The main building's large public bath houses a far-infrared sauna, a spacious and deep cold plunge bath, Shiraginu no Yu, a seawater bath and many other varieties of baths. The open-air area overlooking the garden and wide sky offers an exceptionally liberating outdoor cool-down experience, making this a well-loved bathing complex among locals.
TypeNatural Hot Spring
A sodium chloride and bicarbonate hot spring. The water has a slightly silky feel on the skin and is a quality spring that keeps you feeling warm even after getting out. In addition to the main bathing pool, a wide variety of baths are available to enjoy all day, including Shiraginu no Yu, which produces negative ions with ultrafine bubbles, a unique seawater bath, medicinal baths, and an electric bath.
Sauna TypeDry Sauna
Stove Typefar_infrared
A traditional dry sauna using a far-infrared gas stove (or electric stove). The room temperature is around 80–85°C, with humidity maintained so it feels less stifling and allows you to work up a steady sweat. The sauna has a nostalgic atmosphere where you can relax while watching TV. On the women's side, a salt sauna is provided in addition to the dry sauna.
Water Qualitytap
A cold plunge bath located right next to the sauna room. The water temperature is around 19°C, and with a depth of 60–80 cm it cools the whole body evenly. After cooling down in the cold plunge bath, head to the deck chairs and benches in the open-air area. You can enjoy a liberating outdoor cool-down while taking in the spacious garden and sky.
Closed Days: None
1350-1 Takahashi, Imabari City, Ehime 794-0066, 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 hot spring village on a vast 5,500-tsubo site, offering diverse baths and refreshing outdoor cool-downs in nature
Ehime Imabari City
Kiyomasa no Yu, located in Imabari City, Ehime Prefecture, is a hot spring facility boasting an expansive 5,500-tsubo site. The natural spring, said to have emerged beside a shrine dedicated to Kato Kiyomasa, is a high-quality source that helps keep you warm and is resistant to cooling down. The main building's large public bath houses a far-infrared sauna, a spacious and deep cold plunge bath, Shiraginu no Yu, a seawater bath and many other varieties of baths. The open-air area overlooking the garden and wide sky offers an exceptionally liberating outdoor cool-down experience, making this a well-loved bathing complex among locals.
TypeNatural Hot Spring
A sodium chloride and bicarbonate hot spring. The water has a slightly silky feel on the skin and is a quality spring that keeps you feeling warm even after getting out. In addition to the main bathing pool, a wide variety of baths are available to enjoy all day, including Shiraginu no Yu, which produces negative ions with ultrafine bubbles, a unique seawater bath, medicinal baths, and an electric bath.
Sauna TypeDry Sauna
Stove Typefar_infrared
A traditional dry sauna using a far-infrared gas stove (or electric stove). The room temperature is around 80–85°C, with humidity maintained so it feels less stifling and allows you to work up a steady sweat. The sauna has a nostalgic atmosphere where you can relax while watching TV. On the women's side, a salt sauna is provided in addition to the dry sauna.
Water Qualitytap
A cold plunge bath located right next to the sauna room. The water temperature is around 19°C, and with a depth of 60–80 cm it cools the whole body evenly. After cooling down in the cold plunge bath, head to the deck chairs and benches in the open-air area. You can enjoy a liberating outdoor cool-down while taking in the spacious garden and sky.
Closed Days: None
1350-1 Takahashi, Imabari City, Ehime 794-0066, 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