Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSodiumChlorureCalciumBicarbonate
Immerse yourself in the thermal waters of Carolus Thermen Aachen, a spa nestled in the heart of Aachen, Rhineland-Palatinate, Germany. The sulfurous water springs from 74°C, a testament to its unique geological heritage. This historic site is steeped in history, as Charlemagne himself was said to have enjoyed these thermal baths. Relax and rejuvenate amidst ancient charm.
Insider tip — The outdoor pool heated to 36°C in the very heart of the city with a view over Aachen's rooftops is unique in Europe. A medieval atmosphere.