California, Oregon · Trail 1274

East Fork Illinois River

East Fork Illinois River Trail is a 10.8-mile trail in Rogue River-Siskiyou National Forests, California and Oregon. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking. It enters Siskiyou Wilderness.

Trail conditions, closures and hazards are not tracked here. The Rogue River-Siskiyou National Forests 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 end42.0077° N, 123.6288° W · Directions ↗
Other end41.8865° N, 123.6172° 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 is recorded as 2 segments.

The trail

Length10.8 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical tread width18-24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityEvaluated and does not meet accessibility guidelines
Trail numbers1274
ForestRogue River-Siskiyou National Forests (unit 0610)
StatesCalifornia, Oregon
Detail publishedmanagement level, with uses

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 East Fork Illinois River Trail30°40°50°60°70°80°January: 11.36 inches of precipitation, 2.1 inches of snowFebruary: 8.47 inches of precipitation, 1.2 inches of snowMarch: 8.58 inches of precipitation, 1.5 inches of snowApril: 4.11 inches of precipitation, 0.2 inches of snowMay: 2.09 inches of precipitation, 0.0 inches of snowJune: 0.82 inches of precipitation, 0.0 inches of snowJuly: 0.25 inches of precipitation, 0.0 inches of snowAugust: 0.28 inches of precipitation, 0.0 inches of snowSeptember: 0.83 inches of precipitation, 0.0 inches of snowOctober: 3.49 inches of precipitation, 0.0 inches of snowNovember: 7.96 inches of precipitation, 0.2 inches of snowDecember: 12.95 inches of precipitation, 1.9 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 40.7°F averageFebruary: 44.0°F averageMarch: 47.3°F averageApril: 51.6°F averageMay: 58.9°F averageJune: 65.0°F averageJuly: 73.1°F averageAugust: 71.6°F averageSeptember: 65.7°F averageOctober: 55.3°F averageNovember: 45.5°F averageDecember: 39.9°F average0 in5 in10 in15 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Cave Junction 1 WNW, 14 miles from the trail midpoint at 1,377 feet, station USC00351448 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 61 inches a year. The dotted line is average snowfall, about 7 inches a year on the same inches scale. The station sits about 2,100 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed 06/01 to 10/31 (month/day)
Mountain bikingAllowed year-round

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

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

East Fork Illinois River Trailhead
No season published
Wilderness regulations apply within Siskiyou Wilderness.
under 0.1 mi
Crazy Peak Trailhead
No season published
0.3 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

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.

Fire nearby

  • Prescribed
    Srf 2026 Rx Implementation

    45 mi from the trail midpoint · 500 acres

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

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 East Fork Illinois River Trail?

The Forest Service records 10.8 miles under this name in Rogue River-Siskiyou National Forests, the sum of 2 segments.

Source: Forest Service trail layer

What is allowed on the East Fork Illinois River Trail?

Hiking, horse and pack stock and mountain biking are allowed. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the East Fork Illinois River Trail start?

The line begins at 42.0077° N, 123.6288° W and ends at 41.8865° N, 123.6172° W. The nearest recorded trailhead is East Fork Illinois River 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 East Fork Illinois River Trail in a wilderness area?

Yes. It enters Siskiyou Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.

Source: Siskiyou Wilderness

Where can I camp near the East Fork Illinois River Trail?

No federal campground is recorded within five miles of the trail. The camping section covers dispersed camping, which most National Forest land allows.

Source: Rogue River-Siskiyou National Forests official page

How developed is the East Fork Illinois River Trail?

Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the East Fork Illinois River Trail?

The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Is the East Fork Illinois River Trail accessible?

No. The Forest Service evaluated it and found it does not meet its accessibility guidelines.

Source: Forest Service trail layer

Who manages the East Fork Illinois River Trail?

Rogue River-Siskiyou National Forests, Forest Service unit 0610. The trail is in California and Oregon.

Source: Rogue River-Siskiyou National Forests official page

Is there a fire near the East Fork Illinois River Trail?

The interagency feed shows 1 active incident within 50 miles of the trail midpoint as of 2026-11-01, the nearest Srf 2026 Rx Implementation at 45 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 2 segments named East Fork Illinois River in the Forest Service TrailNFS_Publish layer, administrative unit 0610. 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.