Atagawa Sauna Koya Fuminaya
Higashiizu, Japan
About
Atagawa Sauna Koya Fuminaya is a small guesthouse in Higashiizu, built around a wood-fired sauna. A rooftop infinity cold plunge faces the Pacific. The sauna runs on self-poured löyly and takes one booked party at a time, up to eight people.
Good to know
- Wood-fired heat: softer, heavier löyly than electric, and the smell of the stove is part of the room.
- Cold plunge available on site: use it between rounds for the classic contrast cycle.
- Right on the sea: expect saltwater dips between rounds, cold even in summer.
- Set up outdoors: weather is part of the experience, so dress for the walk between cabin and water.
- Bookable as a private session: rent the room for your group rather than sharing with strangers.
- Set in nature, away from the city, so bring a car or plan the transfer in advance.
Hours
- 10:00-17:00
Only one party, up to eight people, uses the sauna per booked slot; sauna booking is separate from the guesthouse's overnight room and dorm bookings.
Common questions
Do I need to book Atagawa Sauna Koya Fuminaya?
Yes. Sessions are booked in advance, usually as a timed slot. The whole sauna can also be hired privately.
How much does Atagawa Sauna Koya Fuminaya cost?
Sessions are typically ¥25–50 a person.
Does Atagawa Sauna Koya Fuminaya have a cold plunge?
Yes. There is a cold plunge on site for contrast rounds.
When is Atagawa Sauna Koya Fuminaya open?
Typical hours are 10:00-17:00. Only one party, up to eight people, uses the sauna per booked slot; sauna booking is separate from the guesthouse's overnight room and dorm bookings..
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