Opening hours
  • thermal bath
  • gastronomy
  • shop & spa


Following the recommendations and decisions of the authorities for containment of the corona virus, the Carolus Thermen will remain closed until further notice.

Carolus Thermen

Admission 6 years and up. Children up to 16 years only in accompany of an adult.

Daily 9:00 a.m. to 11:00 p.m.
Admission till 9:30 p.m.
Bathing time till 10:40 p.m.
24.12. 9:00 a.m. to 2:00 p.m.
25.12. 3:00 p.m. to 11:00 p.m.
31.12. 9:00 a.m. to 2:00 p.m.
01.01. 3:00 p.m. to 11:00 p.m


Daily 10:00 a.m. to 10:00 p.m.
Kitchen open  12:00 a.m. to 9:30 Uhr p.m.

Restaurant AUSZEIT

Daily 10:00 a.m. to 10:00 p.m.
Kitchen open 12:00 a.m. to 9:30 Uhr p.m.

Bar & Restaurant KOCHKULTUR

Daily 12:00 a.m. to 11:00 p.m.
Kitchen open till 10:00 p.m.

Carolus Shop

Daily 9:30 a.m. to 8:30 p.m.


Daily 10:00 a.m. to 9:00 p.m.
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Journey .
Stadtgarten / Passstr. 79, D - 52070 Aachen
+49 (0)241 / 18274-0
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Entrance prices
  • Without sauna
  • With sauna
Stay Mon. - Fri. Sat./Sun./public holidays
up to 3.5 h 14.00 € 16.00 €
up to 4.5 h 16.00 € 18.00 €
full day 18.00€ 20.00 €
Stay Mon. - Fri. Sat./Sun./public holidays
up to 3.5 h 30.00 € 34.00 €
up to 4.5 h 34.00 € 38.00 €
full day 38.00 € 42.00 €
Thermen-Ticket, Group prices and other prices Read more

Questions and answers

Aqua gymnastics

Several times a day we offer our guests the possibility to work out their muscles and joints in the pleasantly warm thermal water.

Birthday - Get a free entrance!

All guests who visit us on their birthday, are currently granted a free entrance, no matter how long they will stay and no matter if they only want to visit the thermal bath or the sauna, too.

All you need to get your birthday surprise is your identity card or driver’s license. Please show it at the reception desk, before checking in. You will then get a 100% voucher, which you have to show at the reception when you check out.

Blood donations

Blood donors in the University Hospital (Uniklinikum) may choose, whether they are paid an allowance for a whole blood donation, or if they let themselves be handed out a voucher for the Carolus Thermen.

Information is obtained from the blood donor service in the Uniklinikum Aachen, telephone +49 (0)241/8089494.

Carolus Shop

Daily from 9:30 a.m. to 8:30 p.m. bathrobes and sauna towels can be rented against a fee. Furthermore, there is the possibility of buying different kinds of swimwear and accessories.


As our pools are filled with thermal water very rich in minerals, physicians recommend that small children should not take a bath in thermal water rich in minerals, as these minerals would much quicker and more intensely penetrate their thin skin than it is the case with adults.

For children’s protection we therefore allow them as guests of the Carolus Thermen from six years only. Children/youngsters between 6 and 15 years must be accompanied by an adult.

Chip Coin

With our in-house credit card you can use and pay all offers of the Carolus Thermen. This way you do not need your wallet in the bathing and sauna area.


For hygienic reasons our water contains chlorine according to directive DIN 19643. The quantity of chlorine added is 0.3 – 0.6 mg / litre.


The Carolus Thermen is divided into the thermal bathing area and the sauna landscape. Staying in the thermal bathing area requires wearing of usual bathing clothes. The sauna landscape is separated from the bathing area and for nudists only. In the restaurant AUSZEIT however you have to wear a bathrobe.

Disability - disabled persons

In almost all areas the Carolus Thermen are accessible for disabled persons. Lifts guarantee accessibility of the different storeys, two disabled accessible dressing rooms allow secure and comfortable changing of clothes. Furthermore, a lift in the bathing hall provides for easy access to the large thermal water pool.


This sauna area is for HER. Here Finnish sauna, steam bath, foot basins and resting area provide for ladies’ complete relaxation.


Groups from 15 persons get 15 % discount upon advance notification. Groups from 30 persons get 25 % discount - advance notification is required.

Simply send us an E-mail to

House and bathing rules Carolus Thermen


We will be pleased to have a look, whether your lost things have been found. To make it easier for us, we need a description of the things you miss.


Massage as well as baths, Ayurveda, beauty and Hammam treatments are offered in our CAROLUS spa.

Infusions & Treatments

For many of our guests an infusion is the special highlight of a sauna session. Therefore, we attach great importance to a high infusion execution level, a varied, diverse infusion offer and constant quality.


Our meditations take place under expert direction of the leisure time pastoral of the Diocese Aachen. Meditations last approx. 20-30 minutes.


If you want to be informed on news in the Carolus Thermen, please subscribe our Newsletter (field at the very end of our homepage). This way you will not miss any activities or events.

Occupancy rate

On our website we offer you the possibility of having a look, how the Carolus Thermen Bad Aachen is currently frequented.


Like a day at the seaside – Are you yearning for a fresh sea breathe, the sound of rolling waves and the screaming of seagulls? Then combine the stay in our house with a visit of our relaxation room Oceanum.


You can park your car in the parking garage of the Carolus Thermen for a total fee of 6.00 € during your complete stay and enter the Carolus Thermen without getting wet. The entrance clearance is 1.95 m.

A parking site for camper vans is located in Aachen Burtscheid: Parking site for vans


In the Carolus Thermen pregnant women are warmly welcome. You should, however, consider that each woman may react differently to a visit in the thermal baths (thermal bath, sauna world & Carolus spa). Therefore, we recommend you to consult your doctor before your visit.

Rental fees

Daily between 9:30 a.m. and 8:30 p.m. you can rent the following articles in the Carolus Shop against a fee (plus deposit):

  • Towel: 2.00 Euros
  • Sauna towel: 4.00 Euros
  • Bathrobe: 7.00 Euros
  • Package (towel, sauna towel, bathrobe): 12.00 Euros


Your are welcome to book a massage or treatment offered by the Carolus Spa or a table in the restaurant Mediterraneo by telephone or E-mail in advance:

  • CAROLUS spa, Tel.: +49 (0)241 / 182 74-434,
  • Restaurant Mediterraneo, Tel.: +49 (0)241 / 182 74-612,

It is not necessary to make a reservation for the entrance to the Carolus Thermen Bad Aachen (except groups).

Right of withdrawal

Regarding the purchase of vouchers you have the right to withdraw from the contract on the purchase of vouchers within fourteen days without giving reasons.

Site plan of the Carolus Thermen

Here you can get an overview of the various areas of the Carolus Thermen.

Use of Cookies

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Further information is obtained in the privacy statement.
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