BLM · Wilderness area · California

Black Mountain Wilderness

Black Mountain stands at 3,941 feet, a mesa rising above an expanse of desolate, ancient lava flows. The mountain lies in the northwest corner of the Wilderness, and from the summit, the area drops in...

Description from Wilderness Connect (wilderness.net), where the full text continues.

Official page at Wilderness Connect ↗
Black Mountain Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byBureau of Land Management
StateCalifornia
Size20,548 acres (Wilderness Connect)
Designated1994, by Congress
Center point35.1183, -117.2038
Night skyVery dark ground, a faint glow at most (Black Marble reading 29)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees Federal campground

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

Where to camp

Campsite Atlas →

No federal campground sits inside the boundary. 1 is within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Fire nearby

Within 50 miles · as of 2026-09-17
  • Wildfire
    Alper

    32 mi from the center point · 105 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 · 1 in all · Register Atlas

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

Reference

Questions people ask

How big is Black Mountain Wilderness?

20,548 acres.

Source: Wilderness Connect

Who manages Black Mountain Wilderness?

The Bureau of Land Management.

Source: Wilderness Connect

What state is Black Mountain Wilderness in?

California.

Source: Wilderness Connect

When was Black Mountain Wilderness designated?

Congress designated it in 1994.

Source: Wilderness Connect

Can I camp at Black Mountain Wilderness?

No federal campground sits inside the boundary. The nearest is Rainbow Basin/Owl Canyon Campground, 8 miles out. 1 in all are within ten miles. Camping inside a wilderness is usually allowed away from roads, with no facilities; the managing agency page has the permit rules.

Source: Where to camp

How do I get to Black Mountain Wilderness?

A point inside the boundary is at 35.118, -117.204. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Black Mountain Wilderness right now?

1 active incident within 50 miles as of 2026-09-17, the nearest Alper at 32 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Black Mountain Wilderness?

NASA’s Black Marble night-lights image reads 29 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.

Source: NASA Black Marble

Are there historic places near Black Mountain Wilderness?

1 National Register listing within 15 miles, including Harvey House Railroad Depot.

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.
  • 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.