California · Trail 11W48

Hell Hole Canyon

Hell Hole Canyon Trail is a 10.4-mile 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 end39.8644° N, 123.0423° W · Directions ↗
Other end39.8981° N, 123.0142° W · 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

Length10.4 miles
Typeland trail
AccessibilityNot evaluated
Trail numbers11W48
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 Hell Hole Canyon 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, 12 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.

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

Hell Hole Trailhead
Open April · listed not cleared
under 0.1 mi

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date.

Trails nearby

Camping nearby

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Fire nearby

  • Prescribed
    Alder Springs Underburn Rx

    23 mi from the trail midpoint

  • Prescribed
    Howard Forest Rx Fire

    40 mi from the trail midpoint · 69 acres

  • Prescribed
    Lower Gas Point Vmp Rx

    45 mi from the trail midpoint · 254 acres

  • Prescribed
    Hayfork Watershed Rx

    47 mi from the trail midpoint

Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.

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 every Sunday. Sections appear on the first run after the forest publishes more.

Explore

Guidebooks for California

We earn a small commission if you buy through these links. It does not change what we list.

  • Walkabout Northern California
    Tom Courtney, 2019
    Find at Bookshop.org
  • Backpacking California
    Wilderness Press, 2019
    Find at Bookshop.org
  • Coastal trails of Southern California
    Linda B. Mullally, 2018
    Find at Bookshop.org
  • Hiking northern California
    Bubba Suess, 2017
    Find at Bookshop.org
  • Hiking the Pacific Crest Trail: Southern California
    Shawnte Salabert, 2017
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How long is the Hell Hole Canyon Trail?

The Forest Service records 10.4 miles under this name in Mendocino National Forest, the sum of 1 segment.

Source: Forest Service trail layer

What is allowed on the Hell Hole Canyon 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 Hell Hole Canyon Trail start?

The line begins at 39.8644° N, 123.0423° W and ends at 39.8981° N, 123.0142° W. The nearest recorded trailhead is Hell Hole Trailhead, under 0.1 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Hell Hole Canyon 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

Where can I camp near the Hell Hole Canyon Trail?

Howard Lake Campground (1.5 mi), Howard Meadows Campground (1.5 mi) and Little Doe Campground (1.5 mi) are within five miles of the trail. The camping section lists all 5 with site counts and booking links.

Source: Campsite Atlas

Who manages the Hell Hole Canyon Trail?

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

Source: Mendocino National Forest official page

Is there a fire near the Hell Hole Canyon Trail?

The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Alder Springs Underburn Rx at 23 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 1 segment named Hell Hole Canyon 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 November 1, 2026. The methodology page explains how segments become trails.