Spiers Springs
A few miles from Cobb in Lake County, Spiers Springs comes up warm right off Big Canyon Road, about two hundred feet from it. Cobb is the closest town in the record. The water is warm, below what most people would call a soak. No owner is on file, and the public-access question is unanswered.
Lake County hill country around fourteen hundred feet up, wet in winter and barely any snow. Big Canyon Road passes right by and the spring is roadside in the plainest sense. A picture exists in the record. No landowner is recorded, and there is no unit and no fee listed. Rain comes in the winter and the summers are dry.
The record picks December through February, and that lines up with the wet stretch of the year here. Twenty miles or so away, Warm Springs Rec Area is the only camping listed. The water is safe to touch. Ask about ownership before you stop; roadside does not mean public.
Aircraft with laser scanners measured this ground to within inches. The scan strips out trees and buildings, leaving the bare shape of the land around Spiers Springs.
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
- Setting
- Canyon floor
- Steep ground climbs away on both sides of the spring.
- Highest ground nearby
- 418 ft above the spring
- Within a quarter mile, to the west
A slice through the ground from west to east, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about 2½ times the US average of 65. It's higher than at 95% of the springs on this site.
Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.
See every spring on the geothermal heat map →
Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.
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Overview Warm Springs Recreation Area is a day-use park located at Lake Sonoma, which is just a 45 minute drive north of Santa Rosa and a 2 hour trip from San Francisco. There is no overnight camping available at this facility World famous vineyards and a land rich in history surround the lake, where visitors enjoy boating, fishing and exploring the area's extensive trail network.Recreation The Woodland Ridge Nature Trail begins at the park and winds up the ridge, rewarding hikers with great...
Spiers Springs is road-accessible, so you can bring more gear.
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