Weser-Therme
Thermal baths & spa towns
About
Weser-Therme is a thermal spa with a sauna world in Bad Karlshafen in Hesse. According to the operator, its pools are filled with warm thermal brine from Hesse's saltiest spring, at concentrations from 1.5 to 12 %.
The Saunaland has an indoor and an outdoor part, including four indoor and three outdoor saunas with an infusion (Aufguss) programme and a boat sauna right on the River Weser. The operator states that the Saunaland is a textile-free zone.
- Thermal brine of 1.5 to 12 % from Hesse's saltiest spring (per the operator)
- Indoor pools at 33-36 °C and outdoor pools with 12 % brine
- Boat sauna Jacques Galland on the Weser
- Snow cave at -10 °C and an Ottoman hammam
- Textile-free Saunaland with 15 different infusions (per the operator)
- SaunaPremium award from 2023 (per the operator)
Opening hours
| Mon-Thu and Sun | 9:00-22:00 |
|---|---|
| Fri-Sat | 9:00-23:00 |
| 24 Dec 2026 | closed |
| 31 Dec 2026 | 9:00-18:00 |
| 1 Jan 2027 | closed |
Usual hours apply on public holidays. Data from the operator's website.
Prices
| Adult, 3 hourswith sauna 24,00 € | 20,00 € |
|---|---|
| Adult, 5 hourswith sauna 26,00 € | 22,00 € |
| Adult, day ticketwith sauna 28,00 € | 25,00 € |
| Children and youth 4-16, 3 hourswith sauna 18,00 € | 15,00 € |
| Children and youth 4-16, day ticketwith sauna 20,00 € | 17,00 € |
| Students and pupils 17+, 3 hourswith sauna 22,00 €; valid ID required | 18,00 € |
| Students and pupils 17+, 5 hourswith sauna 24,00 € | 20,00 € |
| Students and pupils 17+, day ticketwith sauna 26,00 € | 23,00 € |
Standard tariffs from the operator's website. The operator also offers family, spa-guest and corporate tariffs, which we did not read.
Amenities according to OpenStreetMap
Only what the open data records. What is missing, we do not know.
- Thermal wateryes
- Saunayes
What is not listed here is unknown to us or the operator has not said.
Pros and cons
Pros
- Thermal brine up to 12 %
- Saunaland with a boat sauna on the river
- Open until 22:00, until 23:00 on Friday and Saturday
- Pools 1.30 m deep, suitable for less confident swimmers (per the operator)
- Free water gymnastics three times a day
Things to keep in mind
- The Saunaland is textile-free, which may not suit everyone
- The sauna surcharge is 3-4 € per ticket
- Closed on 24 Dec and 1 Jan
Who it suits and how it works
Who it suits
- relaxing in thermal brine
- sauna with infusion ceremonies
- couples for an evening
- a stay by the River Weser
Rules and good to know
- According to the operator the Saunaland is a textile-free zone
- During the Auszeit infusion and on relax days the operator asks for quiet
Getting there
Address: Kurpromenade 1, 34385 Bad Karlshafen, next to the town's brine graduation tower (Gradierwerk)
Contact
- Address
- Kurpromenade 1, 34385 Bad Karlshafen
- Phone
- 05672 92110
- [email protected]
Details from the operator's own site, as of 4 Nov 2026. Check them with the operator before you go: wesertherme.de
Data source: OpenStreetMap contributors (ODbL licence)
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