USFS · USFWS · Colorado

Mount Massive Wilderness

Mount Massive (14,421 feet), Colorado's second highest peak, and other mountains of the Sawatch Range have two distinctive characteristics: great height, and a huge, sloping bulk that makes them relatively...

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

Official page at Wilderness Connect ↗
Mount Massive Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service and U.S. Fish and Wildlife Service
StateColorado
Size29,027 acres (Wilderness Connect)
Designated1980, by Congress
Center point39.1902, -106.4658
Night skyVery dark ground, a faint glow at most (Black Marble reading 20)

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.

Weather by month

NOAA climate normals →
Weather by month near Mount Massive Wilderness10°20°30°40°50°60°January: 0.97 inches of precipitationFebruary: 1.43 inches of precipitationMarch: 1.34 inches of precipitationApril: 1.71 inches of precipitationMay: 1.40 inches of precipitationJune: 0.93 inches of precipitationJuly: 1.86 inches of precipitationAugust: 2.10 inches of precipitationSeptember: 1.42 inches of precipitationOctober: 1.05 inches of precipitationNovember: 1.30 inches of precipitationDecember: 1.06 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 17.5°F averageFebruary: 18.0°F averageMarch: 24.3°F averageApril: 31.1°F averageMay: 41.0°F averageJune: 51.1°F averageJuly: 56.1°F averageAugust: 53.9°F averageSeptember: 46.7°F averageOctober: 37.2°F averageNovember: 26.6°F averageDecember: 18.4°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 Sugarloaf Rsvr, 7 miles from the center point at 9,738 feet, station USC00058064 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 17 inches a year. The station sits about 3,700 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 sits inside the boundary. 29 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Show 4 more

17 more within ten miles are not listed here.

16 named Forest Service trails enter this wilderness, 626 miles in all. The 10 longest are listed here.

TrailMiles
Colorado193.8
Colorado193.8
CDNST91.7
CDNST91.7
Highline/Native Lake12.9
Highline/Native Lake12.9
North Fork Lake Creek3.9
MT. Massive3.7
Swamp Lake3.7
Colorado Midland Centennial3.5

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas, refreshed September 18, 2026. Trails in plain text have no page there yet.

Fire nearby

Within 50 miles · as of 2026-09-18
  • Wildfire
    Willow

    3 mi from the center point · 7,389 acres · 80% contained

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 · 37 in all · Register Atlas

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

Reference

Questions people ask

How big is Mount Massive Wilderness?

29,027 acres.

Source: Wilderness Connect

Who manages Mount Massive Wilderness?

U.S. Forest Service and U.S. Fish and Wildlife Service share management. The U.S. Forest Service portion is the largest in the wilderness record.

Source: Wilderness Connect

What state is Mount Massive Wilderness in?

Colorado.

Source: Wilderness Connect

When was Mount Massive Wilderness designated?

Congress designated it in 1980.

Source: Wilderness Connect

Can I camp at Mount Massive Wilderness?

No federal campground sits inside the boundary. The nearest is Elbert Creek, 0.1 miles out. 29 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 Mount Massive Wilderness?

A point inside the boundary is at 39.190, -106.466. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Mount Massive Wilderness right now?

1 active incident within 50 miles as of 2026-09-18, the nearest Willow at 3 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Mount Massive Wilderness?

NASA’s Black Marble night-lights image reads 20 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 Mount Massive Wilderness?

37 National Register listings within 15 miles, including Tabor Opera House and Leadville National Fish Hatchery.

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.