Relax with one of the Kanto region's largest carbonated springs and an open-air cold plunge bath that lets you feel the breeze from the Koma River
Saitama Sakado City
"Sakado Natural Hot Spring Furusato no Yu" is a day-use hot spring facility located on the banks of the Koma River in Sakado City, Saitama Prefecture. Guests can enjoy a high-concentration carbonated spring, among the largest in the Kanto region, as well as a sodium chloride spring that bubbles up from underground. The sauna area features two types of sauna: a dry sauna heated by far-infrared heaters and a salt sauna that leaves the skin feeling moisturized. A highlight is the cold plunge bath in the open-air area, where you can cool your body down sharply in the refreshing outdoor air. With a well-equipped outdoor relaxation space lined with more than 20 chairs, you can enjoy a blissful tototnou experience while gazing up at the wide Musashino sky.
TypeNatural Hot Spring
A sodium chloride spring that rises from underground. It has strong heat-retaining and moisturizing effects, and the warmth lingers long after bathing. With a spacious open-air rock bath and a variety of tubs, including one of the Kanto region's largest high-concentration carbonated springs, you can fully enjoy the rich hot spring water.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity18people
A comfortable dry sauna with L-shaped seating and stable heat from far-infrared heaters. It warms you deeply from the core and promotes a strong sweat. You can refresh yourself while watching TV in a calm atmosphere loved by local regulars.
Sauna TypeSalt Sauna
Capacity5people
A sauna with a mild temperature setting where you can slowly work up a sweat while applying the provided salt all over your body. The salt penetrates through pores opened by far-infrared heat and is expected to help leave your skin smooth, with a detox effect. Gentle on the body and ideal when you want to relax at a leisurely pace.
Water QualityTap Water
Capacity5people
A cold plunge bath set in the open-air area, offering an outstanding sense of openness. The water is cold and refreshingly tightens a body warmed by the sauna. Cooling down while feeling the outdoor air is especially satisfying, and the layout makes it easy to move straight into outdoor relaxation afterward. Fresh water is maintained at all times, guiding you toward a refreshing tototnou experience.
Closed Days: None
350-0239 40 Aoda, Sakado City, Saitama Prefecture
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
Relax with one of the Kanto region's largest carbonated springs and an open-air cold plunge bath that lets you feel the breeze from the Koma River
Saitama Sakado City
"Sakado Natural Hot Spring Furusato no Yu" is a day-use hot spring facility located on the banks of the Koma River in Sakado City, Saitama Prefecture. Guests can enjoy a high-concentration carbonated spring, among the largest in the Kanto region, as well as a sodium chloride spring that bubbles up from underground. The sauna area features two types of sauna: a dry sauna heated by far-infrared heaters and a salt sauna that leaves the skin feeling moisturized. A highlight is the cold plunge bath in the open-air area, where you can cool your body down sharply in the refreshing outdoor air. With a well-equipped outdoor relaxation space lined with more than 20 chairs, you can enjoy a blissful tototnou experience while gazing up at the wide Musashino sky.
TypeNatural Hot Spring
A sodium chloride spring that rises from underground. It has strong heat-retaining and moisturizing effects, and the warmth lingers long after bathing. With a spacious open-air rock bath and a variety of tubs, including one of the Kanto region's largest high-concentration carbonated springs, you can fully enjoy the rich hot spring water.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity18people
A comfortable dry sauna with L-shaped seating and stable heat from far-infrared heaters. It warms you deeply from the core and promotes a strong sweat. You can refresh yourself while watching TV in a calm atmosphere loved by local regulars.
Sauna TypeSalt Sauna
Capacity5people
A sauna with a mild temperature setting where you can slowly work up a sweat while applying the provided salt all over your body. The salt penetrates through pores opened by far-infrared heat and is expected to help leave your skin smooth, with a detox effect. Gentle on the body and ideal when you want to relax at a leisurely pace.
Water QualityTap Water
Capacity5people
A cold plunge bath set in the open-air area, offering an outstanding sense of openness. The water is cold and refreshingly tightens a body warmed by the sauna. Cooling down while feeling the outdoor air is especially satisfying, and the layout makes it easy to move straight into outdoor relaxation afterward. Fresh water is maintained at all times, guiding you toward a refreshing tototnou experience.
Closed Days: None
350-0239 40 Aoda, Sakado City, Saitama Prefecture
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