Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Rock Tub Hot Springs is located in Mammoth Lakes, Mono County, California, an area famed for its many natural hot springs. The iron-rich water, pH 6.3, feeds indoor and outdoor baths, with a sauna and massage available.
Insider tip — Rock Tub Hot Springs is a small natural stone basin fed by an iron-rich thermal spring near Mammoth Lakes, in the Long Valley Caldera (California). These small 'tubs' carved into the basalt by the hot waters are typical of the Mammoth geothermal zone — reachable on foot from Highway 395.