Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Bains Doux — literally 'Sweet Baths' — is a bicarbonated thermal facility offering gentle, mildly mineralised waters ideal for relaxation. The soft quality of the water distinguishes it from more strongly sulphurous or saline springs, making it welcoming to a broad range of visitors seeking comfort within a long thermal tradition. Its name captures the soothing essence of a bathing experience designed to calm, restore, and revitalise.
Insider tip — Bains Doux is one of the outdoor thermal pools at Rennes-les-Bains, a small Aude village nestled in the Sals valley where bicarbonate waters bubble up freely into the river. The Roman-era baths here were used by soldiers campaigning through Languedoc, and the village has remained a low-key thermal destination ever since. The pool occupies a shaded riverside nook — bring a towel and expect company from walkers on the nearby Sentier Cathare.