Developed hot spring pool · California
Wild Willy's Hot Springs
Mono County, California · 11 miles east of Mammoth Lakes, CA
Also searched as:Wild Willys Hot Springs Mammoth
Last updated
- Type
- Developed Developed hot spring pool
- Water temperature
- Not recorded
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Clothing optional
- Nearest town
- Mammoth Lakes, CA (11 mi / 18 km)
- Coordinates
- Pools or sources
- 5
About Wild Willy's Hot Springs
Editor's note. Wild Willy's is a free, primitive spring in the Long Valley Caldera near Mammoth Lakes. A boardwalk leads to the main pool and a smaller heart-shaped pool, with big views of the Sierra Nevada.
Wild Willy's Hot Springs is a developed hot spring pool in Mono County, California, about 11 miles east of Mammoth Lakes, CA. The nearest large city is Clovis, CA, roughly 77 miles away as the crow flies.
We do not have a trustworthy temperature reading for this spring. Water temperature at hot springs can change with the seasons, so always test before you soak.
This is a developed site with built pools, tubs or a bathhouse, so there is usually an entry fee, set opening hours and basic facilities.
The site has 5 mapped pools or sources within about 500 meters of each other.
Map and directions
Red marks Wild Willy's Hot Springs. Other colored dots are nearby springs in this directory. Coordinates: 37.66116, -118.76773.
Getting there
- Nearest town: Mammoth Lakes, CA. The spring is about 11 miles (18 km) east of town in a straight line.
- Nearest large city: Clovis, CA, about 77 miles (124 km) in a straight line.
- Planning from a city? See hot springs near Fresno, CA.
- Use the directions buttons above for a driving route. Final roads to many springs are unpaved, seasonal or closed in winter, so check road conditions before you go.
Weather forecast
Live forecast for this exact spot from the US National Weather Service.
Hot springs near Wild Willy's Hot Springs
- Alkali Hot Springs 135°F
- Hilltop Hot Spring Not recorded
- Crab Cooker Hot Springs 167°F
- Rock Tub Hot Spring Not recorded
- Boiling Lake 199°F
- Little Creek Hot Springs 180°F
Before you go
- Check the operator, land manager or park website for current hours, fees and closures. Details in any directory can go out of date.
- Keep your head above water. Warm fresh water can carry Naegleria fowleri, a rare but deadly amoeba that enters through the nose.
- Drink water, limit soaks to 10 to 20 minutes at a time in very hot water, and skip alcohol.
- Read our hot spring etiquette guide and safety guide.
Frequently asked questions
Where is Wild Willy's Hot Springs?
Wild Willy's Hot Springs is in Mono County, California, about 11 miles east of Mammoth Lakes, CA. The GPS coordinates are 37.6612, -118.7677.
Is Wild Willy's Hot Springs clothing optional?
It is recorded as clothing optional. Rules can change, so follow any posted signs.
What hot springs are near Wild Willy's Hot Springs?
The closest listed spring is Alkali Hot Springs, about 1 mile northwest. Hilltop Hot Spring is about 1.2 mile away.
What should I bring to a hot spring?
Water to drink, a towel, sandals with grip, a bag to pack out trash, and warm layers for after your soak. At primitive springs bring a headlamp and tell someone where you are going.
Sources and corrections
This listing combines OpenStreetMap. Data last refreshed August 2026. Source 1 Source 2 Source 3 Source 4
Visited recently? Send a correction, such as a temperature reading, fee, closure or photo. If you look after this spring and want it removed, see removal requests.