Great Boiling Spring
Great Boiling Spring is a primitive thermal soaking spring located in California Region, California Hot Springs near Near California Trailhead. Average water soak temperature is 102°F with a geothermal source temperature of 112°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.
Seasonal Soaking & Best Time to Visit
While geothermal pool temperatures remain a constant 102°F year-round, outdoor ambient temperatures fluctuate significantly across California. Late spring through autumn offers the most comfortable road access.
Fact Sheet & Geothermal Specifications
| Average Soak Temp | 102°F |
| Geothermal Source Temp | 112°F |
| Trail Access | Dispersed Public Land / Roadside (GPS Coords) |
| 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
Verified geothermal thermal soaking spring in California. Features natural pool formations and mineral waters.
Directions & Trailhead Access
Located at GPS coordinates 40.6614, -119.3661 in California. Access via local forest service/BLM roads.
Frequently Asked Questions: Great Boiling Spring
Is Great Boiling Spring free?+
Great Boiling Spring in Near California Trailhead, California is 100% free to access on public land with zero admission fees.
What temperature is Great Boiling Spring?+
Great Boiling Spring maintains an average soaking water temperature of 102°F, with geothermal source temperatures recorded by USGS surveys.
Is Great Boiling Spring clothing optional?+
Great Boiling Spring is traditionally clothing-optional for thermal soaking.
How far is the hike to Great Boiling Spring?+
Located near Near California Trailhead, California, Great Boiling Spring is accessed via local road access followed by a 0.5-mile trail walk.
Where to Stay Near Great Boiling Spring
Looking for accommodations near California Lodging & Cabins? Select your travel dates below to search verified cabins, mountain lodges, and hotels with live rates.
Community Soaker Reports
Verified Traveler ReviewsGreat Boiling Spring is catalogued in the USGS Geothermal Resources Survey (Circular 790) as a geothermal resource in California Region, California. Measured source temperature: 112°F. Average soaking pool temperature: 102°F. Land type: Dispersed Public Land (BLM / USFS). No entrance fee.
Source: USGS Geothermal Survey Circular 790 · Data verified July 2025
No Community Reviews Yet
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