Togoru no Yu
TypeArtificial Hot Spring
An artificial hot spring made with Togoru mineral ore.
Well-equipped saunas and a variety of baths in front of Sakudaira Station
Nagano Saku City
New Kenko Land Saku is attached to Sakudaira Plaza 21 right in front of Sakudaira Station. Open to both overnight guests and day visitors, the facility features a genuine high-temperature sauna exceeding 100°C and a low-temperature sauna that is easy for beginners to enter. A cold plunge bath sits just beside the saunas, and there is also an outdoor air-bathing area. With a variety of baths such as a binchotan charcoal bath and a flowing-water bath, this convenient facility stays open late into the night.
TypeArtificial Hot Spring
An artificial hot spring made with Togoru mineral ore.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A high-temperature sauna exceeding 100°C using a far-infrared gas stove. L-shaped three-tier seating lets you work up a good sweat while watching TV.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A mild sauna around 70°C that is comfortable even for those who find very hot saunas challenging.
Water QualityTap Water
Capacity3people
A cold plunge bath located immediately outside the sauna room. Around 18–20°C, it allows for an easy and comfortable cooldown.
Closed Days: None
2-6 Sakudaira Station East, Saku, Nagano 385-0028, 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
Well-equipped saunas and a variety of baths in front of Sakudaira Station
Nagano Saku City
New Kenko Land Saku is attached to Sakudaira Plaza 21 right in front of Sakudaira Station. Open to both overnight guests and day visitors, the facility features a genuine high-temperature sauna exceeding 100°C and a low-temperature sauna that is easy for beginners to enter. A cold plunge bath sits just beside the saunas, and there is also an outdoor air-bathing area. With a variety of baths such as a binchotan charcoal bath and a flowing-water bath, this convenient facility stays open late into the night.
TypeArtificial Hot Spring
An artificial hot spring made with Togoru mineral ore.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
A high-temperature sauna exceeding 100°C using a far-infrared gas stove. L-shaped three-tier seating lets you work up a good sweat while watching TV.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A mild sauna around 70°C that is comfortable even for those who find very hot saunas challenging.
Water QualityTap Water
Capacity3people
A cold plunge bath located immediately outside the sauna room. Around 18–20°C, it allows for an easy and comfortable cooldown.
Closed Days: None
2-6 Sakudaira Station East, Saku, Nagano 385-0028, 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