Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Terme di Vetriolo, at 1,500 metres above sea level on the Lagorai plateau above the Valsugana in Trentino, is one of Italy's highest-altitude thermal stations, drawing on ferruginous and chloride mineral springs of exceptional concentration that have been used since the 18th century within a long thermal tradition, in a bracing alpine setting that adds the appeal of high-altitude air to the mineral waters. The iron-rich waters, tinged orange-red by their ferrous mineral content, emerge from the crystalline geology of the Lagorai range — one of Trentino's most biodiverse and least-commercialised mountain environments, featuring ancient larch forests, glacier-carved lakes, and wildflower-rich alpine meadows accessible on foot from the thermal station. The dramatic contrast between the springs' mineral richness and the pure alpine landscape above creates an unusual wellness environment in the heart of the Italian Alps.
Insider tip — Terme di Vetriolo stands at 1,530 meters in the Valsugana Alps above Trento, making it one of Italy's highest-altitude thermal spas and giving the experience an alpine purity unmatched in the lowland spa tradition. The iron-rich ferruginous waters are distinctively rusty-tinted and have been used since 1500 for blood and anemia treatments, drawing patients from across northern Italy. The mountain setting provides cool summers ideal for hiking the Cima d'Asta massif between treatments. Combine with a visit to the extraordinary Castel Beseno, one of the largest medieval fortifications in the Alps, just 20 km below.