AquaFonte lists 14 verified thermal springs in France, each with its own page: temperature, minerals, treatments, and directions.
Water types found
Springs
Bains Jaunes
Basse-Terre, Guadeloupe · 40°C
Yellow volcanic springs deep in Guadeloupe's Basse-Terre rainforest — named for the sulphur-stained rock that turns the water and surrounding stone a vivid ochre — at the foot of La Soufrière volcano.
Bains Romains de Dorres
Cerdagne, Pyrénées-Orientales · 38°C
A small free outdoor thermal pool at 1,735 metres altitude in the French Pyrenees, fed by a natural spring used since Roman times — one of the highest free-entry thermal pools in Europe, with views across the Cerdagne plateau.
Balnéa Loudenvielle
Occitanie, Hautes-Pyrénées · 33°C
The first thermal-water leisure complex in the French Pyrenees, drawing naturally sulphurous 31-35°C water from three deep boreholes at the site of the historic Bains de Saoussas in the Louron valley.
Grands Thermes de Bagnères-de-Bigorre
Occitanie, Hautes-Pyrénées
The historic thermal baths of Bagnères-de-Bigorre, founded on hot springs the Romans discovered flowing from Mont Olivet around 28 BC, paired today with the modern Aquensis leisure baths.
Les Bains de Llo
Occitanie, Pyrénées-Orientales · 36°C
A natural sulphurous hot spring at 36°C beside the Angoustrine gorge above the Cerdagne village of Llo, one of the highest-altitude thermal bathing spots in the French Pyrenees.
Les Bains de Saint-Thomas
Occitanie, Pyrénées-Orientales · 58°C
A hyperthermal sulphurous spring in the Têt valley near Fontpédrouse, fed by six natural sources reaching 58°C, among the hottest waters in the Pyrenees.
Les Bains du Couloubret
Occitanie, Ariège · 77°C
One of three historic thermal establishments in Ax-les-Thermes, drawing on more than sixty local hot springs that range from 18°C to a scalding 77°C, among the hottest natural waters in the Pyrenees.
Les Bains du Mont-Blanc
Auvergne-Rhône-Alpes, Haute-Savoie · 39°C
The thermal spa circuit of Saint-Gervais Mont-Blanc, fed by 39°C mineral water discovered in 1806 at Le Fayet and rebuilt after a catastrophic glacial flood destroyed the original baths in 1892.
Les Bains du Rocher
Occitanie, Hautes-Pyrénées
The modern thermoludic leisure baths of Cauterets, a high Pyrenean spa town whose sulphurous waters and grand 19th-century bathhouses drew Victor Hugo, George Sand and generations of curistes.
Sourcéo Dax
Nouvelle-Aquitaine, Landes
A modern thermal leisure complex at Saint-Paul-lès-Dax drawing on the same underground water that feeds Dax's ancient Fontaine Chaude, the legendary hot spring at the heart of France's largest thermal spa cluster.
Sources Chaudes de Mérens-les-Vals
Occitanie, Ariège · 30°C
A wild, undeveloped sulphurous hot spring reached by a short hike above the Ariège Pyrenees village of Mérens-les-Vals, collecting in natural rock pools around 30°C.
Thermes de Balaruc-les-Bains
Occitanie, Hérault · 50°C
France's busiest thermal spa town, on a peninsula in the Étang de Thau, where 50°C water rich in calcium and magnesium rises through geological faults exploited since Roman times.
Thermes de Luchon
Occitanie, Haute-Garonne
One of the Pyrenees' oldest and most celebrated spa towns, whose sulphurous waters were prized by Rome and later carried the motto ranking Luchon second only to Naples among thermal resorts.
Vichy Thermal Baths
Auvergne, Allier · 43°C
The Queen of French spa towns — fifteen sodium-bicarbonate springs famous for digestive treatment and Napoleon III's summer court.