Best Saunas in Nagano, Japan
Gondo Onsen Therme DOME
Central Nagano public bath near Zenkoji with an automatic blast-löyly sauna, high-temperature dry room, low-temperature sauna and bubbling cold pool. The operator sells individual day admission at ¥850 on weekdays and ¥900 on weekends, with late evening entry.
Kawanakajima Onsen Therme DOME
Public day-use hot spring in southern Nagano with löyly, music löyly and salt saunas, plus a cold plunge and outdoor bathing. The operator posts ¥950 weekday and ¥1,000 weekend adult admission, valid independently of any hotel booking.
Mamejima Yuttarien
Walk-in hot-spring bathhouse with three sauna styles: far-infrared, a cooler stone room for men and a salt sauna for women. Its operator lists adult day admission at ¥900 weekdays and ¥950 weekends, 10:00–24:00 with last bath entry at 23:30.
Watauchi Onsen Yu-parea
Municipal day-use hot spring and pool complex with a dry sauna in the north bath and a mist sauna in the south bath. The baths alternate by schedule; adult admission is ¥600 and the operator posts closures and bath rotation dates.
Susobanakyo Uruoikan
Riverside onsen inn open to day visitors, with separate Finnish-style high-temperature saunas in the two main baths and scheduled staff löyly events. Adult admission is ¥800 on weekdays or ¥950 on weekends; guests under 15 may not use the sauna.
Gondo Onsen Therme DOME
Central Nagano public bath near Zenkoji with an automatic blast-löyly sauna, high-temperature dry room, low-temperature sauna and bubbling cold pool. The operator sells individual day admission at ¥850 on weekdays and ¥900 on weekends, with late evening entry.
Kawanakajima Onsen Therme DOME
Public day-use hot spring in southern Nagano with löyly, music löyly and salt saunas, plus a cold plunge and outdoor bathing. The operator posts ¥950 weekday and ¥1,000 weekend adult admission, valid independently of any hotel booking.
Mamejima Yuttarien
Walk-in hot-spring bathhouse with three sauna styles: far-infrared, a cooler stone room for men and a salt sauna for women. Its operator lists adult day admission at ¥900 weekdays and ¥950 weekends, 10:00–24:00 with last bath entry at 23:30.
Watauchi Onsen Yu-parea
Municipal day-use hot spring and pool complex with a dry sauna in the north bath and a mist sauna in the south bath. The baths alternate by schedule; adult admission is ¥600 and the operator posts closures and bath rotation dates.
Susobanakyo Uruoikan
Riverside onsen inn open to day visitors, with separate Finnish-style high-temperature saunas in the two main baths and scheduled staff löyly events. Adult admission is ¥800 on weekdays or ¥950 on weekends; guests under 15 may not use the sauna.