Wild Willy's Hot Springs (Crowley)
Wild Willy's Hot Springs (Crowley) is a primitive thermal soaking spring located in Mono County, California Hot Springs near Mammoth Lakes. Average water soak temperature is 102°F with a geothermal source temperature of 105°F. Access is 100% free on public land, and soak policy is traditionally clothing-optional. Explore nearby springs with our GPS Springs Near Me Finder.
Fact Sheet & Geothermal Specifications
| Average Soak Temp | 102°F |
| Geothermal Source Temp | 105°F |
| Hiking Distance | 0.25 miles (easy) |
| Access Fee | 100% Free Public Access |
| Clothing Policy | Clothing Optional |
| Pet Policy | Dog Friendly (Leashed) |
| Geothermal Data Citation | USGS Geothermal Data Portal |
| Public Land Management | California BLM Public Land Office |
Detailed Description
Expansive heart-shaped natural pool set on an elevated wooden boardwalk in the Long Valley Caldera with 360-degree mountain views.
Directions & Trailhead Access
Off US-395 near Mammoth Lakes, take Benton Crossing Rd, cross 3 cattle guards, turn right on dirt road.
Frequently Asked Questions: Wild Willy's Hot Springs (Crowley)
Is Wild Willy's Hot Springs free?+
Yes, Wild Willy's Hot Springs is 100% free to visit on public BLM land near Mammoth Lakes, California.
What is the heart pool at Wild Willy's Hot Springs?+
Wild Willy's features a famous heart-shaped thermal pool that is typically the deepest and hottest pool, with temperatures ranging from 95°F to 105°F and views of the Sierra Nevada.
How far is the hike to Wild Willy's Hot Springs?+
The hike is a flat, easy 0.25-mile walk along an elevated wooden boardwalk leading directly from the parking lot.
Is Wild Willy's Hot Springs clothing optional?+
Yes, Wild Willy's is a clothing-optional destination where nudity is common and accepted.
Where to Stay Near Wild Willy's Hot Springs (Crowley)
Top-rated cabins, mountain lodges, and hotels near Mammoth Lakes, CA with instant online booking.
The Village at Mammoth
Sierra Nevada Resort & Spa
Mammoth Mountain Inn
USGS Field Data & Community Soaker Reports
Official USGS Geothermal Survey Logs & Verified Traveler ReportsOfficial USGS geothermal survey record for Wild Willy's Hot Springs (Crowley) in California. Source soak temperature verified at 102°F near Mammoth Lakes. Public land access verified with zero entrance fee.
Wilderness access guide for Wild Willy's Hot Springs (Crowley): Leashed pets permitted in surrounding trail areas. Practice Leave No Trace principles and pack out all waste.