Mori no Tenku Sauna & Roten Buro
Nasushiobara, Japan

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Under ¥100
Whole-space hire
Private hire
Access
Finnish
Sauna type
OutdoorPrivateWood-firedMountainNatureAufgussCold Plunge
About
Mori no Tenku Sauna & Roten Buro is a private, wood-fired Finnish sauna in forest above Nasushiobara. Each booking takes one group, with an open-air bath, self-poured hojicha löyly, a cold plunge, reclining chairs and hammocks. Overnight sessions are for guests of the attached villa, and a café serves food afterwards.
Good to know
- 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.
- Wood-fired heat: softer, heavier löyly than electric, and the smell of the stove is part of the room.
- Mountain setting: elevation changes and views are part of what you're paying for.
- Set in nature, away from the city, so bring a car or plan the transfer in advance.
- Runs aufguss sessions: a guided löyly ritual where an attendant fans the steam around the room on a schedule.
- Cold plunge available on site: use it between rounds for the classic contrast cycle.
Hours
- Hours not listed
Common questions
Do I need to book Mori no Tenku Sauna & Roten Buro?
Yes. The sauna is booked as a private hire for your group.
How much does Mori no Tenku Sauna & Roten Buro cost?
Hiring the whole sauna costs under ¥100.
Does Mori no Tenku Sauna & Roten Buro have a cold plunge?
Yes. There is a cold plunge on site for contrast rounds.


