USFS · California

Cahuilla Mountain Wilderness

The Cahuilla Mountain Wilderness offers spectacular views of the historic Juan Bautista de Anza Trail, soaring peaks, and the vast desert landscape. Its chaparral covered slopes and forested mountaintop are home to mountain lion, mountain and California quail, and the rare red diamond rattlesnake.

Description from Wilderness Connect (wilderness.net).

Official page at Wilderness Connect ↗
Cahuilla Mountain Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateCalifornia
Size5,575 acres
Designated2009, by Congress
Center point33.57° N, 116.79° W
Night skyVery dark ground, a faint glow at most (Black Marble reading 22)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near Cahuilla Mountain Wilderness50°60°70°80°90°January: 2.40 inches of precipitationFebruary: 2.80 inches of precipitationMarch: 1.62 inches of precipitationApril: 0.74 inches of precipitationMay: 0.44 inches of precipitationJune: 0.05 inches of precipitationJuly: 0.19 inches of precipitationAugust: 0.19 inches of precipitationSeptember: 0.37 inches of precipitationOctober: 0.51 inches of precipitationNovember: 0.73 inches of precipitationDecember: 1.71 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 55.2°F averageFebruary: 56.2°F averageMarch: 59.0°F averageApril: 62.4°F averageMay: 67.6°F averageJune: 72.6°F averageJuly: 80.2°F averageAugust: 81.1°F averageSeptember: 77.2°F averageOctober: 68.8°F averageNovember: 60.9°F averageDecember: 54.1°F average0 in1 in2 in3 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Hemet, 13 miles from the center point at 1,811 feet, station USC00043896 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 12 inches a year. The station sits about 3,400 feet lower than the center point, so temperatures on the ground run cooler.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

No federal campground is within ten miles of the boundary in the Campsite Atlas index. Camping inside a wilderness is usually allowed away from trails and water, with no facilities; the managing agency page has the permit and group-size rules.

1 named Forest Service trail enters this wilderness, 3 miles in all.

TrailMiles
Cahuilla Mountain3.1

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas. This trail list was copied from Trailhead Atlas on November 1, 2026 and is copied again on each weekly run. Trails in plain text have no page there yet.

Fire nearby

Within 50 miles · as of 2026-11-01
  • Prescribed
    Greater El Cariso Rx

    32 mi from the center point

  • Wildfire
    Green

    39 mi from the center point · 55 acres

Distance is to the reported incident point, not the fire edge, and is measured from the center of a boundary that may be many miles across. Check the agency page for closures.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 3 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

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 big is Cahuilla Mountain Wilderness?

5,575 acres.

Source: Wilderness Connect

Who manages Cahuilla Mountain Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Cahuilla Mountain Wilderness in?

California.

Source: Wilderness Connect

When was Cahuilla Mountain Wilderness designated?

Congress designated it in 2009.

Source: Wilderness Connect

How do I get to Cahuilla Mountain Wilderness?

A point inside the boundary is at 33.571° N, 116.793° W. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Cahuilla Mountain Wilderness right now?

2 active incidents within 50 miles as of 2026-11-01, the nearest Greater El Cariso Rx at 32 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

Are there historic places near Cahuilla Mountain Wilderness?

The National Register has 3 listings within 15 miles, including Oak Grove Butterfield Stage Station and Pearlman Mountain Cabin.

Source: Register Atlas

Sources

  • Boundary, name, acreage, designation year, states and description: Wilderness Connect.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, points inside the boundary.
  • Trails: the Trailhead Atlas open-data file of Forest Service trails, matched on the wilderness each trail enters.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.