File:M 3912320 sw 10 060 20220524.tif — public domain
Jackson Valley Mud Springs produces 80-degree water from the Mendocino County coast range near Laytonville. The spring's muddy character and 25-degree temperature differential mark this as a geothermally marginal feature with distinctive chemical properties.
The spring sits in mixed evergreen forest and chaparral typical of the North Coast Ranges, where complex geology creates varied terrain. Located just 173 feet from the road, the setting offers the accessibility of a roadside feature combined with forest surroundings that provide some sense of remoteness.
History of Jackson Valley Mud Springs
The spring lies in the geologically complex coast range where fault systems drive localized geothermal activity. The muddy character reflects mineral-rich circulation through marine sedimentary and metamorphic rocks common to this region.
Road access places this spring minutes from the highway, making it an easy stop. The area receives 47 inches of annual precipitation concentrated in winter months. Spring and early summer offer the best visiting conditions with stable road access.
Is Jackson Valley Mud Springs worth visiting?
Best for
- Warm-water soaking
- Easy day trips
Jackson Valley Mud Springs is well suited for warm-water soaking and easy day trips.
Annual Precip: 47.0 in
Annual Snow: 9.8 in
January
Air 45°F · Water 80°F · +36° contrast
December
Air 44°F · Water 80°F · +36° contrast
February
Air 45°F · Water 80°F · +35° contrast
January offers 24°F more contrast than August
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Trash bag
Pack out what you pack in
0 miles from Laytonville, CA
USGS Quad: CAHTO PEAK 7.5 · NOAA: 2.0 · AMS Map: UKIAH
What is the water temperature at Jackson Valley Mud Springs?
Jackson Valley Mud Springs has a water temperature of 80°F (27°C). This is a warm thermal spring.
Where is Jackson Valley Mud Springs located?
Jackson Valley Mud Springs is located in Mendocino County, California, near Laytonville. Coordinates: 39.6570°N, 123.5850°W.
How do I get to Jackson Valley Mud Springs?
Jackson Valley Mud Springs has Roadside road access (173 ft from the road).
Is it safe to soak at Jackson Valley Mud Springs?
Jackson Valley Mud Springs 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 Jackson Valley Mud Springs crowded?
Jackson Valley Mud Springs is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Jackson Valley Mud Springs?
Essentials for Jackson Valley Mud Springs: swimsuit, towel, water bottle, a trash bag to pack out what you pack in.