California · Trail 10W42

Devils Hole Ridge

Devils Hole Ridge Trail is a 5.9 miles trail in Mendocino National Forest, California. The forest has not published allowed uses for it. It enters Yolla Bolly-Middle Eel Wilderness.

Trail conditions, closures and hazards are not tracked here. The Mendocino National Forest official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end40.0897, -122.9626 · Directions ↗
Other end40.1544, -122.9879 · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start.

The trail

Length5.9 miles
Typeland trail
AccessibilityNot evaluated
Trail numbers10W42
ForestMendocino National Forest (unit 0508)
StatesCalifornia
Detail publishedcenterline only

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Weather by month

NOAA climate normals →
Weather by month near Devils Hole Ridge Trail40°50°60°70°80°January: 7.82 inches of precipitation, 0.7 inches of snowFebruary: 6.76 inches of precipitation, 1.4 inches of snowMarch: 5.19 inches of precipitation, 0.2 inches of snowApril: 2.81 inches of precipitation, 0.2 inches of snowMay: 1.64 inches of precipitation, 0.0 inches of snowJune: 0.76 inches of precipitation, 0.0 inches of snowJuly: 0.03 inches of precipitation, 0.0 inches of snowAugust: 0.16 inches of precipitation, 0.0 inches of snowSeptember: 0.20 inches of precipitation, 0.0 inches of snowOctober: 2.00 inches of precipitation, 0.0 inches of snowNovember: 4.28 inches of precipitation, 0.2 inches of snowDecember: 8.79 inches of precipitation, 0.6 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 42.5°F averageFebruary: 45.3°F averageMarch: 49.0°F averageApril: 52.7°F averageMay: 59.2°F averageJune: 65.5°F averageJuly: 72.5°F averageAugust: 71.1°F averageSeptember: 66.4°F averageOctober: 57.2°F averageNovember: 46.8°F averageDecember: 41.2°F average0 in2 in4 in6 in8 in10 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Covelo, 26 miles from the trail midpoint at 1,413 feet, station USC00042081 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 40 inches a year. The dotted line is average snowfall, about 3 inches a year on the same inches scale. The station sits about 4,500 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Wilderness

Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.

Trailheads

The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.

Camping nearby

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Limited data for this unit

Mendocino National Forest publishes this trail as a centerline only, with no class, surface or allowed uses. What is here is the name, the length and the line. The forest office has the rest.

Checked nightly. Sections appear as soon as the forest publishes more.

Reference

Questions people ask

How long is the Devils Hole Ridge Trail?

5.9 miles, the sum of the 1 segment the Forest Service records under this name in Mendocino National Forest.

Source: Forest Service trail layer

What is allowed on the Devils Hole Ridge Trail?

Mendocino National Forest has not published allowed uses for this trail. The forest office can say what is open.

Source: Mendocino National Forest official page

Where does the Devils Hole Ridge Trail start?

The line begins at 40.0897, -122.9626 and ends at 40.1544, -122.9879. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Devils Hole Ridge Trail in a wilderness area?

Yes. It enters Yolla Bolly-Middle Eel Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.

Source: Yolla Bolly-Middle Eel Wilderness Wilderness

Where can I camp near the Devils Hole Ridge Trail?

No federal campground is recorded within five miles of the trail. Dispersed camping is allowed on most National Forest land outside posted closures. The forest office has the current rules.

Source: Mendocino National Forest official page

Who manages the Devils Hole Ridge Trail?

Mendocino National Forest, Forest Service unit 0508. The trail is in California.

Source: Mendocino National Forest official page

Source

This page is built from 1 segment named DEVILS HOLE RIDGE in the Forest Service TrailNFS_Publish layer, administrative unit 0508. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.