Sulphur Spring and Salt Spring flow together at 75°F in Glenn County, their combined discharge reaching 12 degrees above the ambient 63°F in the oak woodlands east of the Sacramento Valley.
The springs emerge at 1,167 feet elevation in a gentle landscape of golden grasslands and scattered oak trees, accessible via a moderate half-mile walk from the nearest road through open terrain.
History of Sulphur Spring, Salt Spring
These springs form in the geologically active foothills where volcanic and mineral-rich groundwater rises to the surface, their names reflecting distinct mineral compositions contributing to their therapeutic reputation.
The half-mile approach makes this a moderate day hike. Fall and spring offer the most comfortable hiking conditions. North Fork Campground in Mendocino National Forest sits 11 kilometers away and offers full facilities.
Is Sulphur Spring, Salt Spring worth visiting?
Sulphur Spring, Salt Spring is well suited for overnight camping trips.
Annual Precip: 21.9 in
Annual Snow: 9.1 in
December
Air 46°F · Water 75°F · +29° contrast
January
Air 47°F · Water 75°F · +28° contrast
February
Air 49°F · Water 75°F · +26° contrast
December offers 37°F more contrast than July
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...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at North Fork Mendocino National Forest
Trash bag
Pack out what you pack in
USGS Quad: STONYFORD 7.5 · NOAA: 1.0 · AMS Map: UKIAH
What is the water temperature at Sulphur Spring, Salt Spring?
Sulphur Spring, Salt Spring has a water temperature of 75°F (24°C). This is a warm thermal spring.
Where is Sulphur Spring, Salt Spring located?
Sulphur Spring, Salt Spring is located in Glenn County, California at 1,167 feet elevation, near Willows. Coordinates: 39.4300°N, 122.5380°W.
How do I get to Sulphur Spring, Salt Spring?
Sulphur Spring, Salt Spring has Short Walk road access (0.3 mi from the road).
Can I camp near Sulphur Spring, Salt Spring?
Yes, North Fork Mendocino National Forest is located nearby (6.8 miles away).
Is it safe to soak at Sulphur Spring, Salt Spring?
Sulphur Spring, Salt Spring is generally safe for soaking at its recorded temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Sulphur Spring, Salt Spring crowded?
Sulphur Spring, Salt Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Sulphur Spring, Salt Spring?
Essentials for Sulphur Spring, Salt Spring: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in.