Listen to the murmur of the Tamagawa River and take in Mount Fuji. Wash your heart clean in a panoramic open-air bath with free-flowing source water
Tokyo Kunitachi City
"Kunitachi Onsen Yurakunosato" is a day-use hot spring facility along the Tamagawa River, renowned for its spectacular views. The source spring, which flows up from underground, is a sodium chloride spring with excellent heat-retention properties. From the panoramic open-air bath, you can take in an unobstructed sky and, on clear days, a magnificent view of Mount Fuji. The sauna area is fully equipped with two types of saunas: a high-temperature sauna with intense heat and a salt sauna that is gentle on the skin. With a wide variety of baths, including the indoor high-concentration carbonated spring and the natural free-flowing "Uenoyu" bath, you can refresh both body and mind in a luxurious outdoor resting area while enjoying the sound of the river flowing nearby.
TypeNatural Hot Spring
A sodium chloride spring that flows up from underground. It is highly effective at retaining heat, and its warmth lasts even after you leave the bath. At the panoramic open-air bath Uenoyu, the free-flowing source water is heated only as needed, allowing you to enjoy fresh hot spring water along with a superb view.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A genuine high-temperature dry sauna where powerful heat fills the room. In the spacious interior, the intense heat envelops your entire body and encourages a refreshing sweat. While watching TV, you can relax, face yourself, and reset the fatigue of everyday life.
Sauna TypeSteam Sauna
Capacity8people
A salt sauna set at a temperature that is gentle on the body. By applying the salt provided in the room to your skin, you can promote sweating while leaving your skin smoother and more refined. With its low temperature and high relaxing effect, it is a place where you can take your time and enjoy detoxing.
Water QualityTap Water
Capacity4people
A cold plunge bath set at a comfortable temperature, gently tightening your overheated body after the sauna. Its pleasant coolness surrounds you and cools you down in a soothing way. Combined with outdoor bathing in the open-air area, it offers an even greater refreshing effect.
Closed Days: None
〒186-0012 Tokyo, Kunitachi City, Izumi 3-chome 29-11
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
Listen to the murmur of the Tamagawa River and take in Mount Fuji. Wash your heart clean in a panoramic open-air bath with free-flowing source water
Tokyo Kunitachi City
"Kunitachi Onsen Yurakunosato" is a day-use hot spring facility along the Tamagawa River, renowned for its spectacular views. The source spring, which flows up from underground, is a sodium chloride spring with excellent heat-retention properties. From the panoramic open-air bath, you can take in an unobstructed sky and, on clear days, a magnificent view of Mount Fuji. The sauna area is fully equipped with two types of saunas: a high-temperature sauna with intense heat and a salt sauna that is gentle on the skin. With a wide variety of baths, including the indoor high-concentration carbonated spring and the natural free-flowing "Uenoyu" bath, you can refresh both body and mind in a luxurious outdoor resting area while enjoying the sound of the river flowing nearby.
TypeNatural Hot Spring
A sodium chloride spring that flows up from underground. It is highly effective at retaining heat, and its warmth lasts even after you leave the bath. At the panoramic open-air bath Uenoyu, the free-flowing source water is heated only as needed, allowing you to enjoy fresh hot spring water along with a superb view.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A genuine high-temperature dry sauna where powerful heat fills the room. In the spacious interior, the intense heat envelops your entire body and encourages a refreshing sweat. While watching TV, you can relax, face yourself, and reset the fatigue of everyday life.
Sauna TypeSteam Sauna
Capacity8people
A salt sauna set at a temperature that is gentle on the body. By applying the salt provided in the room to your skin, you can promote sweating while leaving your skin smoother and more refined. With its low temperature and high relaxing effect, it is a place where you can take your time and enjoy detoxing.
Water QualityTap Water
Capacity4people
A cold plunge bath set at a comfortable temperature, gently tightening your overheated body after the sauna. Its pleasant coolness surrounds you and cools you down in a soothing way. Combined with outdoor bathing in the open-air area, it offers an even greater refreshing effect.
Closed Days: None
〒186-0012 Tokyo, Kunitachi City, Izumi 3-chome 29-11
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