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Centre Thermal de Chaudfontaine

Chaudfontaine, Wallonie, Belgium
Centre Thermal de Chaudfontaine
Location
Chaudfontaine, Wallonie, Belgium
Water type
sodium chloride
Temperature
36 °C
pH
7

Water profile

Thermicity
Neutral
36 °C
LowHigh

Soothing — neither hot nor cold, perfect balance.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Effortless float
LowHigh

Dense, salty water — you float without effort.

Chlorurée sodique faiblement sulfurée

Centre Thermal de Chaudfontaine occupies the historic heart of Chaudfontaine in the Vesdre valley east of Liege, drawing Belgium's only naturally thermal spring at 36.6 degrees Celsius from a limestone aquifer that produces warm bicarbonated water in a country where all other mineral springs emerge cold, making Chaudfontaine a geological anomaly whose uniqueness within the Belgian context gave it an aristocratic patronage from the seventeenth century and a medical reputation that stretched across the northern Netherlands and the German Rhineland. The modern Centre Thermal has been constructed above the historic source buildings, preserving the eighteenth-century pavilion architecture while integrating contemporary hydrotherapy pools, mud baths, and treatment rooms that maintain the prescription tradition for rheumatic and musculoskeletal conditions alongside a contemporary wellness and leisure offer for the Liege metropolitan population. The Vesdre valley setting, with its dramatic limestone gorges, its nineteenth-century ironworks heritage, and the proximity of the Liege art scene and the UNESCO Meuse valley industrial landscape downstream, gives Chaudfontaine a cultural context that its Belgian thermal uniqueness alone cannot fully account for.

Insider tip — This is the only naturally hot thermal spring in Belgium — a geological rarity not to be missed.
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Frequently asked questions

How hot is the water?
The water is neutral here, around 36 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.