Eau souffrée
Aire-sur-l'Adour, Landes, France
- Location
- Aire-sur-l'Adour, Landes, France
- Water type
- sulfurous
- Temperature
- 38 °C
- pH
- 6.5
Water profile
Thermicity
Neutral
LowHigh
Soothing — neither hot nor cold, perfect balance.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Eau Souffrée — 'Sulphurous Water' — is a geothermal spring whose name straightforwardly describes its defining mineral characteristic: the presence of dissolved sulphur compounds that give the water its distinctive aroma and character. Geothermal sulphurous springs like this one are among the most characteristic features of volcanic and tectonically active regions in France, where heat from deep within the earth dissolves sulphur into ascending groundwater. Bathers come to experience the raw, elemental power of earth-warmed sulphurous water in its most natural form.
Insider tip — This sulfurous spring in the Landes department of Gascony taps into a geothermal aquifer that underlies much of the Adour basin. The warm water emerges at approximately 38°C carrying a faint but characteristic sulfur scent long associated with thermal use in the region. The surrounding flat agricultural landscape of the Landes is a striking contrast to the Pyrenean thermal belt just to the south. The local thermal bathing tradition remains very much alive here.
Nearby
Frequently asked questions
How hot is the water?
The water is neutral here, around 38 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).