Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesCalcium
Solage Geothermal Pools is located in Calistoga, Napa County, California, a wine region known for its geothermal activity. The sulfurous, thermal water reaches 40°C at pH 7.3, with indoor and outdoor baths, a sauna and massage available.
Insider tip — Solage luxury resort in Calistoga — using Napa Valley's famous volcanic geothermal spring water for outdoor pools, mud baths, and spa treatments. Multiple pools at varying temperatures. Adults-only tranquility pool. Calistoga sits atop an active volcanic hotspot and has been a spa destination since the 1850s.