Terme San Filippo
- Location
- Castiglione d'Orcia, Italy
- Water type
- bicarbonate, calcium-rich
- Temperature
- 50 °C
- pH
- 6.9
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Terme San Filippo in the Val d'Orcia of southern Tuscany is famous for its free natural thermal waterfall — a cascade of white travertine rock formations created over millennia by the calcium and sulphate deposits of 52°C spring water, resembling a miniature Pamukkale in the Tuscan hills. The waters flow freely over natural limestone terraces, creating warm pools at various temperatures where visitors can bathe in one of Italy's most visually spectacular free thermal sites. The contrast of the brilliant white mineral formations against the dark green Tuscan forest is genuinely breathtaking. The site also has a paid thermal establishment offering more conventional spa treatments, but the outdoor free-bathing area remains the main attraction for those seeking an authentic and wild thermal experience.