2 Allée d'Étigny, 31110 Bagnères-de-Luchon

Thermopolis of Antiquity, Luchon has the only Roman vaporarium in France — a natural cave at 43°C of sulphurous steam
Thermopolis of Antiquity, Luchon has the only Roman vaporarium in France — a natural cave at 43°C of sulphurous steam
Bagnères-de-Luchon · Haute-Garonne · 630 m above sea level