Aulus-les-Bains is 128 km from Toulouse (A64 exit n°20 direction St-Girons, then direction Aulus-les-Bains / Guzet), 61 km from Foix, and 33 km from Saint-Girons.
The thermal village of Aulus-les-Bains is situated at an altitude of 753m, in the Regional Natural Park of the Ariège Pyrenees.