Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Termas de São Jorge, set in the historic city of Viseu at the heart of the Beira Alta plateau, taps into bicarbonate springs that have been part of the Portuguese thermal tradition for centuries in a region celebrated equally for its Dão wines and Romanesque artistic heritage. The naturally mineral-rich waters are used in balneotherapy programmes within Portugal's nationally regulated thermal system, associated with well-being. Viseu itself — with its impressive cathedral, Grão Vasco Museum, and animated old quarter — makes São Jorge an ideal destination for visitors seeking both thermal wellbeing and cultural discovery.
Insider tip — Termas de Sao Jorge draws bicarbonate water from granite subsoil in the Dao highlands, a landscape of cork oaks and schist villages southeast of Viseu city. The facility has operated since the 18th century and retains a traditional balneario structure with individual bathtubs and supervised hydrotherapy sessions. Come in July or August when the thermal park's gardens are in full bloom and local festivals fill the surrounding villages.
