Jackson Valley Mud Springs

Mendocino County, California · Near Laytonville
39.6570°N, 123.5850°W
80°F 49°F air · Good soaking weather Roadside

Mud is in the name. Jackson Valley Mud Springs, about five miles from Laytonville in Mendocino County, is a warm spring that has been photographed for the record, and that is most of what the record holds. Temperature is tepid, lower than a bath. Owner and access fields are empty, and the name is the only clue to what the water looks like.

Location

The spring is right off the road, under two hundred feet from it, though the record does not give the road a name. Elevation is not recorded. Rain is heavy through the year and snow is rare, which points to a wet, mild climate. No campground appears in the record for this one.

December through February rate highest for timing, and with almost no snow, winter is workable. The water is too cool to burn, and cool enough that a summer visit makes more sense for a dip. Ownership is unknown; look for posting before you leave the road.

Terrain

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 Jackson Valley Mud Springs.

Aerial view of the ground around Jackson Valley Mud Springs LiDAR bare-earth view of the same ground around Jackson Valley Mud Springs
Aerial LiDAR bare earth

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
440 ft above the spring
Within a quarter mile, to the southeast
Cross-section through the spring

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.

Heat Below
133 milliwatts per square meter of heat flow

That's about twice the US average of 65. It's higher than at 83% 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.

Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.

Monthly Climate
45°
Jan
45°
Feb
46°
Mar
51°
Apr
56°
May
64°
Jun
68°
Jul
68°
Aug
64°
Sep
58°
Oct
49°
Nov
44°
Dec
Annual Precip: 47.0 in Annual Snow: 9.8 in
Best Time to Visit
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
Current Conditions
49°F
SSE 0.0 mph 88% Good soaking weather
Tuesday 77° Low 54° Sunny
Spring is +3° warmer
Wednesday 70° Low 51° Sunny 2% precip
Spring is +10° warmer
Thursday 72° Low 55° Sunny
Spring is +8° warmer
Friday 77° Low 57° Sunny
Spring is +3° warmer
Saturday 76° Low 58° Sunny
Spring is +4° warmer
Where to Stay

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Temperature
80°F
Warm Hot Boiling
Water Temp 80°F (27°C)
Avg Air Temp 55°F
Above Ambient +25°F
Mild soaking conditions September
Access
Road Access Roadside
Distance to Road 173 ft
Frequently Asked Questions
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).