Aachen, North Rhine-Westphalia, Germany
Carolus Thermen Bad Aachen
A city thermal-bath complex in Aachen with indoor and outdoor mineral-water pools, a sauna world and an oriental steam-bath area.
- Thermal water
- Outdoor pool
- Indoor pool
- Day access
- Sauna
- Steam room
- City location
Thermalwelt - Hauptbecken by CT.Henn, CC BY-SA 4.0. Changes: Resized from a Wikimedia Commons derivative for self-hosted responsive display.
The essentials
What it is
Carolus Thermen stands beside Aachen's spa park and is supplied with local mineral thermal water. The complex has an indoor thermal hall, two outdoor thermal pools, a Baltic sauna world and an oriental area with a hammam and aroma steam baths; full-day admission is available and children may enter from age six with an adult.
Before you go
Operator-checked visit essentials
Tickets and booking
Choose 3.5-hour, 4.5-hour or full-day thermal-bath entry. Sauna access is sold only together with thermal-bath admission, not as a sauna-only ticket.
Checked on 6 September 2026Official source
Clothing and sauna rules
The sauna world is exclusively textile-free. A large towel must cover the bench, and pools inside the sauna area are entered without swimwear.
Checked on 6 September 2026Official source
Getting there without a car
From Aachen Hbf take bus 51 to Carolus Thermen; from the city centre take bus 34 to Ungarnplatz (Carolus Thermen). Both stops are a short walk from the entrance.
Checked on 6 September 2026Official source
Quick facts
- Thermal water
- Confirmed
- Outdoor pool
- Confirmed
- Indoor pool
- Confirmed
- Family friendly
- Not verified
- Adults only
- No
- Hotel on site
- Not verified
- Day access
- Confirmed
- Sauna
- Confirmed
Confirmed and No reflect what the official source states; Not verified means it gave no clear answer either way; Temporarily closed means the operator has reported that facility as shut.
Confirmed facilities and features
- Thermal water
- Outdoor pool
- Indoor pool
- Day access
- Sauna
- Steam room
- City location
Why consider this spa?
- Day visits without an overnight stay.
- Travellers who prefer a city-based spa stop.
Day visit information
Day access is confirmed in the current listing. Check the official website for access rules, times and availability.
Hotel information
On-site accommodation has not yet been confirmed in this listing. Check the official website if your trip depends on a hotel at the spa.
Location and getting there
- City
- Aachen
- Region
- North Rhine-Westphalia
- Country
- Germany
Location data © OpenStreetMap contributors.
Check the official website for current directions, parking and public-transport guidance before travelling.
Indicative pricing
- Day access
- From approximately €23
Price information last checked 6 September 2026. Verify current prices before booking.
Official information
Use the official source to confirm current opening arrangements, facilities, access rules and prices.
Listing details last verified .
Are you the operator? Suggest a correction or discuss a partnership.
