Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Long before settlers arrived, the Kumiai people already came to soak in the mineral waters of Jacumba, on the edge of the Californian desert. The arrival of the railroad in 1919 opened the site to a wider public, and through the 1920s to 1940s the town became a popular getaway for Southern Californians, even drawing a Hollywood crowd seeking relaxation.
Decline set in once Interstate 8 bypassed Jacumba by two miles, causing many roadside businesses to close; the historic hotel, shuttered, was destroyed by an arson fire in 1983. Today the resort's pools are continuously replenished from an on-site artesian well, using untreated natural mineral water that requires no chlorination.
Insider tip — Jacumba Hot Springs Resort sits at 2800 feet in the Anza-Borrego Desert transition zone near the US-Mexico border, where naturally warm geothermal water has drawn travelers since Native American times and the early 20th-century railroad era. The historic resort pools are fed by thermal springs with mild sodium-mineral content, and the desert mountain setting at this elevation provides crisp air that contrasts pleasingly with the warm water. The area's exceptional dark sky quality makes evening hot spring soaking under the stars a signature experience. The adjacent desert wilderness, including the otherworldly boulders of the In-Ko-Pah Gorge, provides dramatic hiking to complement the thermal bathing.