Sulphur Spring, Salt Spring
Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.
The record carries two names for this Glenn County spring, Sulphur Spring and Salt Spring. Nineteen miles from Willows, tepid water in the mid seventies. Nothing on record says whose land this is or if the public may visit.
Three tenths of a mile from a nameless road. Around 1,150 feet. Twenty-two inches of precipitation and under a foot of snow in a year, with an average temperature in the low sixties. Mendocino National Forest, with its North Fork campground, is the closest public land the record names, about seven miles away.
December through February on file. North Fork is the campground to aim for. The water is tepid; no heat concern. No water sample is on file. Ownership and access are both blank on the record, so do some asking before you go.
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 Sulphur Spring, Salt Spring.
- Setting
- Hillside
- The spring sits on a steep slope that climbs to the south.
- Highest ground nearby
- 285 ft above the spring
- Within a quarter mile, to the south
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 1½ times the US average of 65. It's higher than at 51% 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.
Overview This location is available on a first-come, first-served basis only. Visitors are required to physically arrive at the campground to purchase and claim a site. Once on-site, you are able to pay for your campsite(s) by scanning a QR code using the Recreation.gov mobile app, and the Scan and Pay feature.In order to utilize Scan & Pay on site, you will need to first download the free Recreation.gov mobile app https://www.recreation.gov/mobile-app prior to your arrival as some remote are...
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