Castle Rock 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.
Castle Rock Springs, under five miles from Cobb in Lake County, puts out water far too hot to touch. Castle Spring Road passes roughly two hundred thirty feet off, so there is no hike involved. No owner and no access status on file, and no land unit, which leaves every question about who controls the ground open.
Roadside at a little under twenty-four hundred feet. Winters are wet, thirty inches or so, with a handful of snow inches in a typical year and a mild yearly average in the high fifties. No agency is recorded for the ground. The campground the record finds is a fair drive off, and no fee has been logged anywhere.
The listed months are the winter ones. Warm Springs Rec Area, sixteen miles off, is the campground on record. The water scalds, so looking is the whole activity, and any pool fed by it needs testing before a toe goes in. Ownership and access are unknown; confirm before visiting. No date accompanies the temperature.
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 Castle Rock Springs.
- Setting
- Canyon floor
- Steep ground climbs away on both sides of the spring.
- Highest ground nearby
- 513 ft above the spring
- Within a quarter mile, to the west
A slice through the ground from northwest to southeast, about 0.6 miles end to end.
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
That's about 3 times the US average of 65. It's higher than at 98% 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...
Castle Rock Springs is road-accessible, so you can bring more gear. The water is dangerously hot, so bring water shoes and test pools carefully.
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