Saunaboot Thunersee
Thun, Switzerland

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CHF50–100
Premium
Private hire
Access
Finnish
Sauna type
2024
Established
Wood-firedLakeOutdoorCold PlungePrivateMobile
About
The only sauna boat on Lake Thun, leaving from Gwatt at the foot of the Berner Oberland, year-round and in any weather. You heat up on the water with the Alps rising ahead, then jump straight into the lake to cool. Self-contained and bookable as a private session: heat, cold water and mountains, all from the deck.
Good to know
- Wood-fired heat: softer, heavier löyly than electric, and the smell of the stove is part of the room.
- Direct lake access: most visitors plunge straight into the water between sauna rounds.
- Set up outdoors: weather is part of the experience, so dress for the walk between cabin and water.
- Cold plunge available on site: use it between rounds for the classic contrast cycle.
- Bookable as a private session: rent the room for your group rather than sharing with strangers.
- Mobile operator: the sauna travels, so the location is part of the booking. Check the current site before you arrive.
Hours
- Year-round, by booking
By booking
Common questions
Do I need to book Saunaboot Thunersee?
Yes. The sauna is booked as a private hire for your group.
Does Saunaboot Thunersee have a cold plunge?
Yes. There is a cold plunge on site for contrast rounds.
When did Saunaboot Thunersee open?
It opened in 2024.


