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Idaho Rocky Mountain Hot Springs

El Dorado County, California, United States
Idaho Rocky Mountain Hot Springs
Location
El Dorado County, California, United States
Water type
iron-rich
Temperature
46 °C
pH
6.3

Water profile

Thermicity
Sedative
46 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

FerBicarbonatesManganèse

Idaho Rocky Mountain Hot Springs is a natural thermal spring resort in Garden Valley, a remote valley in the Boise County foothills of the Idaho Rocky Mountains, where bicarbonate-rich hot spring water emerges on the bank of the Middle Fork of the Payette River — one of Idaho's premier white-water kayaking and fly-fishing rivers. The naturally heated spring water fills a series of outdoor soaking pools at different temperatures in a landscaped riverside setting of ponderosa pine, granite boulders, and mountain views that exemplifies the natural Rocky Mountain hot spring experience. Garden Valley's location along the South Fork Payette River corridor provides access to excellent river rafting, trout fishing, and mountain biking trails, while the surrounding Boise National Forest offers wilderness hiking, wildlife watching (deer, elk, and eagles are common), and the spectacular granite formations of the Idaho Batholith. The combination of natural bicarbonate spring bathing and the exceptional outdoor recreation landscape of the Idaho Rockies makes Garden Valley's hot springs a quintessential western American wilderness wellness destination.

Insider tip — These Sierra Nevada foothills springs in El Dorado County emerge at a vigorous 46°C from granite country that has been geothermally active since the Cascade volcanic arc was more energetic. The forest setting along a rushing mountain stream means the ambient air temperature often contrasts sharply with the hot pools. Access requires a short hike, keeping visitor numbers low and the experience genuinely wild.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 46 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).