Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesCalcium
Acque Termali di Cala Gadir, on the volcanic island of Pantelleria (Sicily), bubble up from the sea at 50°C, rich in sulfur. Indoor pools, massage and a sauna round out this unusual island thermal bathing spot.
Insider tip — Natural pools carved into the volcanic rock at Pantelleria, heated by the island's secondary volcanism. Temperatures between 40 and 55°C. A site used since Phoenician-Punic antiquity for its invigorating baths. Free access.