A soothing Koedo retreat with natural spring water from 1,700 meters underground and a variety of saunas
Saitama Kawagoe City
"Kuranoyu Koedo Hatsukari Onsen Kawagoe" is a day-use hot spring facility in Kawagoe City, Saitama Prefecture. You can enjoy sodium-chloride spring water that gushes up from 1,700 meters underground in a variety of baths, including a lukewarm bath and a hot bath. The sauna lineup includes a main sauna that steadily promotes perspiration with far-infrared effects, as well as a rotating selection for men and women, such as herbal steam and salt sauna. The entire facility uses "Nano Tech Power Water," harnessed through nanotechnology, offering a bath experience with a silky feel and a crisp cold plunge bath that deeply refreshes both body and mind.
TypeNatural Hot Spring
A sodium-chloride spring gushing from 1,700 meters underground. With a generous flow rate of 421 liters per minute, you can enjoy the abundant source in the form of source lukewarm baths and source hot baths, with neither heating nor added water. It has excellent heat retention, so you do not cool down easily after bathing. Thanks to its synergy with nano water, you can enjoy a beautiful-skin bath that leaves you feeling soft and moisturized.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A dry sauna that gently warms you from deep within thanks to far-infrared effects. The spacious room has tiered seating, so you can enjoy sweating at your preferred temperature level. The heat feels soft and is less likely to make you feel stuffy. It is a relaxing space where you can watch TV and let the fatigue of the day wash away with your sweat.
Sauna TypeSteam Sauna
Capacity6people
A sauna located on the Zabuun no Yu side, where steam made from medicinal herbs fills the room. The pleasant aroma of the herbs creates a soothing experience that feels restorative from the inside out as you breathe. Because you can work up a sweat slowly at a low temperature, it is easy on the body and brings a deep sense of relaxation.
Sauna TypeSalt Sauna
Capacity6people
A sauna located on the Sarasara no Yu side, where you can enjoy sweating while applying salt all over your body. The salt is absorbed through pores opened by steam, and it is expected to help leave the skin smooth and soft. Wrapped in gentle steam, this is a refreshing space where you can feel the detox effect.
Water QualitySoft Water
Capacity4people
A cold plunge bath using "Nano Tech Power Water," which harnesses nanotechnology. The water, given ultrafine vibrations, is characterized by a soft, lotion-like feel. It gently and crisply tightens the body after sauna use, providing a refreshing cooldown experience.
Closed Days: None
〒350-0013 2-6 Shibui, Kawagoe 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
A soothing Koedo retreat with natural spring water from 1,700 meters underground and a variety of saunas
Saitama Kawagoe City
"Kuranoyu Koedo Hatsukari Onsen Kawagoe" is a day-use hot spring facility in Kawagoe City, Saitama Prefecture. You can enjoy sodium-chloride spring water that gushes up from 1,700 meters underground in a variety of baths, including a lukewarm bath and a hot bath. The sauna lineup includes a main sauna that steadily promotes perspiration with far-infrared effects, as well as a rotating selection for men and women, such as herbal steam and salt sauna. The entire facility uses "Nano Tech Power Water," harnessed through nanotechnology, offering a bath experience with a silky feel and a crisp cold plunge bath that deeply refreshes both body and mind.
TypeNatural Hot Spring
A sodium-chloride spring gushing from 1,700 meters underground. With a generous flow rate of 421 liters per minute, you can enjoy the abundant source in the form of source lukewarm baths and source hot baths, with neither heating nor added water. It has excellent heat retention, so you do not cool down easily after bathing. Thanks to its synergy with nano water, you can enjoy a beautiful-skin bath that leaves you feeling soft and moisturized.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A dry sauna that gently warms you from deep within thanks to far-infrared effects. The spacious room has tiered seating, so you can enjoy sweating at your preferred temperature level. The heat feels soft and is less likely to make you feel stuffy. It is a relaxing space where you can watch TV and let the fatigue of the day wash away with your sweat.
Sauna TypeSteam Sauna
Capacity6people
A sauna located on the Zabuun no Yu side, where steam made from medicinal herbs fills the room. The pleasant aroma of the herbs creates a soothing experience that feels restorative from the inside out as you breathe. Because you can work up a sweat slowly at a low temperature, it is easy on the body and brings a deep sense of relaxation.
Sauna TypeSalt Sauna
Capacity6people
A sauna located on the Sarasara no Yu side, where you can enjoy sweating while applying salt all over your body. The salt is absorbed through pores opened by steam, and it is expected to help leave the skin smooth and soft. Wrapped in gentle steam, this is a refreshing space where you can feel the detox effect.
Water QualitySoft Water
Capacity4people
A cold plunge bath using "Nano Tech Power Water," which harnesses nanotechnology. The water, given ultrafine vibrations, is characterized by a soft, lotion-like feel. It gently and crisply tightens the body after sauna use, providing a refreshing cooldown experience.
Closed Days: None
〒350-0013 2-6 Shibui, Kawagoe 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