
Les Thermes de Balaruc-les-Bains
France's busiest thermal resort, drawing 49 °C saline water beside the Thau lagoon.
Wikimedia Commons
- Source temperature
- 49°C
- Bathing temperature
- 34°C
- Bathing
- Indoor / Outdoor
- Accommodation
- Hotel on site
Balaruc-les-Bains sits on a peninsula in the Thau lagoon near Sète. Its thermal establishment draws chloride-sodium water at around 49 °C and is among the most visited spa centres in France.
Balnevia view
Why visit
The pairing of lagoon and thermal water is the draw: saline bathing and treatment indoors, oyster villages, salt air and flat coastal cycling outside.
Recommendations
Hotels nearby
Explore places to stay near Les Thermes de Balaruc-les-Bains.
The water
Thermal water
- Source
- Balaruc thermal spring
- Mineralisation
- Chloride-sodium hyperthermal mineral water
- Character
- Saline thermal water drawn beside the Thau lagoon and cooled for treatment pools.
History
The springs were used in the Roman era and the modern resort developed from the 19th century; the current thermal building, O'Balia, opened in the 2010s.
Practical information
The site separates prescribed medical cures from the public O'Balia spa; the public area sells day and half-day passes.
Getting there
Sète and Montpellier are both nearby by road; regional buses connect Balaruc with Sète station, roughly 25 minutes from Montpellier by train.
Location
Related places
More thermal baths in France

Aix-les-Bains/France
Thermes de Aix-les-Bains
A Savoyard spa town on Lac du Bourget whose sulphurous springs were exploited by the Romans.

Aix-en-Provence/France
Thermes Sextius
A modern thermal spa built over the Roman springs that gave Aix-en-Provence its name.
Bathing temperature 34°C

Cauterets/France
Les Bains du Rocher
A contemporary bathhouse in a Pyrenean valley whose sulphurous springs drew nineteenth-century Europe.
Bathing temperature 34°C