Joban Sauna
JOBAN SAUNA｜常磐サウナ
Outdoor sauna with a wood-fired room by a river in Iwaki
Day Use
YesWeekdays 13:00 to 18:00, weekends and holidays 10:00 to 20:00 (last entry 18:30). Closed Wednesdays except holidays. Tuesdays and Thursdays are private booking only (13:00 to 15:30, 15:30 to 18:00, 18:00 to 20:30). Some Fridays have a night session from 13:00 to 21:00 (last entry 19:30). In October, an early-morning trial runs on Sundays from 7:00 to 9:30. Hours may change.
2.5-hour session. Weekdays 2,800 yen, weekends and holidays 3,000 yen. Towel not included (towel set rental 300 yen). Weekdays run the electric sauna only; the wood-fired sauna is for weekends and holidays, or weekdays by contacting them the day before. Swimwear required.
Bathing & Water
Cold water plunge bath, typically used after sauna
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
Generally high school age and over.
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
Forest
River
MountainsAbout
Joban Sauna is a sauna-only facility, so there is no hot spring water here. It has two sauna rooms, one wood-fired and one electric, plus a cold bath you lie down in and a rooftop area for cooling off. A river runs right next to it, and the setting is forest and mountains. Swimwear is worn. Tattoos are fine, and the place is generally for high school age and over. It opened in December 2025 on the grounds of a campsite in Tono, in the hills of Iwaki. The wood-fired sauna is usually the weekend and holiday room, and the electric one carries the weekdays. Visitors who came in winter mention a warm changing room and poncho rental for sitting outside.
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Last updated October 11, 2026