BLM · New Mexico

Potrillo Mountains Wilderness

Extinct volcanoes, black lava fields, and mile after mile of desert grassland combine in the Potrillo Mountains Wilderness; New Mexico’s 4th largest wilderness. These mountains are formed by a series...

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

Official page at Wilderness Connect ↗
Potrillo Mountains Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byBureau of Land Management
StateNew Mexico
Size105,085 acres (Wilderness Connect)
Designated2019, by Congress
Center point31.9881, -107.1020
Night skyVery dark ground, a faint glow at most (Black Marble reading 28)

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 Potrillo Mountains Wilderness40°50°60°70°80°90°January: 0.51 inches of precipitation, 0.3 inches of snowFebruary: 0.53 inches of precipitation, 0.2 inches of snowMarch: 0.26 inches of precipitation, 0.0 inches of snowApril: 0.20 inches of precipitation, 0.0 inches of snowMay: 0.39 inches of precipitation, 0.0 inches of snowJune: 0.82 inches of precipitation, 0.0 inches of snowJuly: 2.31 inches of precipitation, 0.0 inches of snowAugust: 1.73 inches of precipitation, 0.0 inches of snowSeptember: 1.49 inches of precipitation, 0.0 inches of snowOctober: 0.75 inches of precipitation, 0.1 inches of snowNovember: 0.47 inches of precipitation, 0.2 inches of snowDecember: 0.65 inches of precipitation, 1.2 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 43.7°F averageFebruary: 47.8°F averageMarch: 55.2°F averageApril: 62.6°F averageMay: 71.3°F averageJune: 80.4°F averageJuly: 81.7°F averageAugust: 80.5°F averageSeptember: 74.8°F averageOctober: 64.2°F averageNovember: 51.7°F averageDecember: 43.2°F average0 in0.5 in1 in1.5 in2 in2.5 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Santa Teresa AP, 25 miles from the center point at 4,109 feet, station USC00298127 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 10 inches a year. The dotted line is average snowfall, about 2 inches a year on the same inches scale.

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.

Fire nearby

Within 50 miles · as of 2026-09-18
  • Prescribed
    Rx Ice Canyon Piles 2

    38 mi from the center point · 10 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

Reference

Questions people ask

How big is Potrillo Mountains Wilderness?

105,085 acres.

Source: Wilderness Connect

Who manages Potrillo Mountains Wilderness?

The Bureau of Land Management.

Source: Wilderness Connect

What state is Potrillo Mountains Wilderness in?

New Mexico.

Source: Wilderness Connect

When was Potrillo Mountains Wilderness designated?

Congress designated it in 2019.

Source: Wilderness Connect

Can I camp at Potrillo Mountains Wilderness?

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

Source: Wilderness Connect

How do I get to Potrillo Mountains Wilderness?

A point inside the boundary is at 31.988, -107.102. Butterfield Overland National Historic Trail is 22 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Potrillo Mountains Wilderness right now?

1 active incident within 50 miles as of 2026-09-18, the nearest Rx Ice Canyon Piles 2 at 38 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Potrillo Mountains Wilderness?

NASA’s Black Marble night-lights image reads 28 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.

Source: NASA Black Marble

Which national parks are near Potrillo Mountains Wilderness?

Butterfield Overland National Historic Trail (22 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

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.