Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Fonte Quente — Galician and Portuguese for 'Hot Spring' — is a naturally warm bicarbonated mineral spring whose name captures its most immediate and appealing quality: the welcome warmth of geothermally heated water emerging from the earth. Such directly named springs are often among the most authentic and unmediated thermal experiences, valued by local communities primarily for the simple, proven benefit of warm mineral water immersion. The spring forms part of the rich geothermal heritage of the Iberian northwest, where Galicia and northern Portugal share an exceptional concentration of mineral water sources.
Insider tip — Fonte Quente near Tomar in central Portugal's Santarem district is a naturally warm bicarbonate spring that has long served rural communities in the Nabao river basin. The waters emerge gently from schist outcrops at a comfortable temperature, set among cork oak woodlands and agricultural terraces. The spring is a local gathering point with an informal, unhurried atmosphere characteristic of interior Portuguese thermal culture.
