Willett Hot Springs
Willett Hot Springs is a primitive thermal spring listed in Ventura County, California Hot Springs near Ojai. Reported soak temperature is 101°F with a historical source temperature of 101°F — actual conditions may differ. Access is listed as free, and clothing policy is listed as clothing-optional — always confirm before visiting. Explore nearby springs with our GPS Springs Near Me Finder.
Seasonal Soaking & Best Time to Visit
While geothermal pool temperatures remain a constant 101°F year-round, outdoor ambient temperatures fluctuate significantly across California. Late spring through autumn offers the most comfortable road access.
Fact Sheet & Geothermal Specifications
| Reported Soak Temp | 101°F |
| Source Temp (Historical) | 101°F |
| Trail Access | Recorded coordinates — access unverified |
| Access Fee | Reported Free — Verify Locally |
| Clothing Policy | Reported Clothing-Optional |
| Pet Policy | Reported Dog-Friendly |
| Geothermal Data Reference | NOAA Thermal Springs List (1980 archive) |
| Check Land Status | California Land Manager (BLM) |
Verification & Sources
This record was verified against the following source(s):
Reviewed September 2026 · Treat all details as reported — verify before visiting · How we verify our data
Detailed Description
Backcountry sulfur spring in the Sespe Wilderness — a ~10-ft man-made tub piped from the geothermal source holding 99-102°F, ~9.5 mi up the Sespe River Trail; free dispersed camping nearby. Fee: Free; Adventure Pass for trailhead parking. Multiple creek crossings impassable after rain; strong sulfur odor.
Directions & Trailhead Access
Piedra Blanca Trailhead off Hwy 33/Rose Valley Rd; Sespe River Trail ~9.5 mi to a signed steep side trail.
Frequently Asked Questions: Willett Hot Springs
Is Willett Hot Springs free?+
Willett Hot Springs is listed as free to access in Ventura County, California. Fees and rules change — verify current status with the land manager before visiting.
What temperature is Willett Hot Springs?+
Willett Hot Springs has a reported soak temperature of 101°F and a historical source temperature of 101°F in survey records. Historical data may not reflect current conditions — always test water before entering.
Is Willett Hot Springs clothing optional?+
Willett Hot Springs is listed as traditionally clothing-optional in directory records. Confirm current rules before visiting, as policies change.
How do you access Willett Hot Springs?+
Willett Hot Springs is a recorded location in Ventura County. Exact access, parking, and land status are not verified — check with the local land manager (BLM/USFS/NPS) before visiting.
Where to Stay Near Willett Hot Springs
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Community Soaker Reports
Visitor-submitted reports — not independently verifiedNo Community Reviews Yet
Have you soaked at Willett Hot Springs? Share your water temperature measurements, pool conditions, and road access tips to help fellow travelers!