In Val di Rabbi you have the luck to find the Thermal spa in a very special mountain surrounding. The water of Val di Rabbi is considered a "natural elisir of long life" thanks to the power of the natural gas in it.
It is alkaline bicarbonate, rich in salts, acidic, ferruginous, sodium and with a high concentration of carbon dioxide. The absolute peculiarity is due to the simultaneous presence of ferrous ion and the ferric ion. It is among the hot springs at higher content of free carbon dioxide that are known..