Soak in stunning open-air baths overlooking Miyazawa Lake and enjoy the ultimate rest in a full-scale sauna with auto-löyly that roars to life.
Saitama Hanno City
Miyazawako Onsen Kirari Bettei is a day-use hot spring facility for adults and children in elementary school and older, tucked away on the shores of Miyazawa Lake in Hanno, Saitama. Its scenic open-air baths, set at a high elevation with sweeping views of Miyazawa Lake, offer a luxurious way to enjoy the natural free-flowing alkaline simple hot spring known as the beauty skin bath. The sauna area features two types of saunas: a high-temperature sauna and a salt sauna with excellent skin-beautifying effects. After a sharp, refreshing cold plunge bath, guests can experience blissful totonou during an open-air rest while feeling the breeze off the lake. The spacious rock bath area, complete with a pulgama fire kiln, makes this a stunning spa resort where you can spend a full day relaxing and enjoying an adult holiday at your own pace.
TypeNatural Hot Spring
A scenic open-air bath overlooking Miyazawa Lake. It is fed by an alkaline simple hot spring that springs from 1,500 m underground and is offered as free-flowing natural hot spring water with heating. The pH 9.5 beauty skin bath is said to soften the skin's dead surface layer and leave it smooth.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A stadium-style sauna with strong far-infrared effects. It encourages intense sweating. A full-fledged sauna where you can sit back, watch TV, and face the heat in a spacious setting.
Sauna TypeSalt Sauna
Capacity6people
A medium-temperature salt sauna in the indoor bath area. By rubbing the provided massage salt onto your skin, you can remove old dead skin cells and leave your skin smooth and beautiful. The gradually warming heat feels comfortable, and a detox effect can also be expected.
Water QualityTap Water
Capacity4people
A cool cold plunge bath located right next to the sauna. Its crisp, cold water instantly firms up your overheated body after the sauna and helps boost circulation. Enjoy a refreshing cool-down as you gradually chill your hands and feet.
Closed Days: None
357-0001 27-49 Miyazawa, Hanno-shi, Saitama
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
Soak in stunning open-air baths overlooking Miyazawa Lake and enjoy the ultimate rest in a full-scale sauna with auto-löyly that roars to life.
Saitama Hanno City
Miyazawako Onsen Kirari Bettei is a day-use hot spring facility for adults and children in elementary school and older, tucked away on the shores of Miyazawa Lake in Hanno, Saitama. Its scenic open-air baths, set at a high elevation with sweeping views of Miyazawa Lake, offer a luxurious way to enjoy the natural free-flowing alkaline simple hot spring known as the beauty skin bath. The sauna area features two types of saunas: a high-temperature sauna and a salt sauna with excellent skin-beautifying effects. After a sharp, refreshing cold plunge bath, guests can experience blissful totonou during an open-air rest while feeling the breeze off the lake. The spacious rock bath area, complete with a pulgama fire kiln, makes this a stunning spa resort where you can spend a full day relaxing and enjoying an adult holiday at your own pace.
TypeNatural Hot Spring
A scenic open-air bath overlooking Miyazawa Lake. It is fed by an alkaline simple hot spring that springs from 1,500 m underground and is offered as free-flowing natural hot spring water with heating. The pH 9.5 beauty skin bath is said to soften the skin's dead surface layer and leave it smooth.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A stadium-style sauna with strong far-infrared effects. It encourages intense sweating. A full-fledged sauna where you can sit back, watch TV, and face the heat in a spacious setting.
Sauna TypeSalt Sauna
Capacity6people
A medium-temperature salt sauna in the indoor bath area. By rubbing the provided massage salt onto your skin, you can remove old dead skin cells and leave your skin smooth and beautiful. The gradually warming heat feels comfortable, and a detox effect can also be expected.
Water QualityTap Water
Capacity4people
A cool cold plunge bath located right next to the sauna. Its crisp, cold water instantly firms up your overheated body after the sauna and helps boost circulation. Enjoy a refreshing cool-down as you gradually chill your hands and feet.
Closed Days: None
357-0001 27-49 Miyazawa, Hanno-shi, Saitama
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