Wild Willy Hot Springs California
Mammoth Lakes, California, United States
- Location
- Mammoth Lakes, California, United States
- Water type
- iron-rich
- Temperature
- 36 °C
- pH
- 6.3
Water profile
Thermicity
Neutral
LowHigh
Soothing — neither hot nor cold, perfect balance.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Near Mammoth Lakes, California, at the foot of the Sierra Nevada, Wild Willy Hot Springs offers an iron-rich soak at 36°C. The open-air pool sits amid open desert scrubland, a favorite wild-bathing stop for hikers exploring the Eastern Sierra.
Insider tip — Wild Willy Hot Springs sits in the Long Valley Caldera near Mammoth Lakes, a sweeping volcanic basin where geothermal heat seeps freely to the surface. A short boardwalk leads across a meadow to a rustic soaking tub fed by mineral-tinged waters, with the Sierra Nevada crest rising dramatically to the west - an ideal spot for stargazing soaks on clear high-desert nights.
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Frequently asked questions
How hot is the water?
The water is neutral here, around 36 °C — a perfect balance, neither too hot nor too cold.
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).