USFS · Colorado

Lost Creek Wilderness

Lost Creek Wilderness is located approximately 60 miles southwest of Denver. Unlike most of Colorado's jagged Wilderness profiles, Lost Creek is a land of fascinating rounded granite domes and knobs, split...

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

Official page at Wilderness Connect ↗
Lost Creek Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateColorado
Size114,864 acres (Wilderness Connect)
Designated1980, by Congress
Center point39.2798, -105.4214
Night skyAbout as dark as the ground gets (Black Marble reading 13)

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 Lost Creek Wilderness20°30°40°50°60°70°January: 0.51 inches of precipitation, 7.0 inches of snowFebruary: 0.55 inches of precipitation, 7.4 inches of snowMarch: 1.21 inches of precipitation, 11.2 inches of snowApril: 1.52 inches of precipitation, 10.3 inches of snowMay: 1.78 inches of precipitation, 1.9 inches of snowJune: 1.68 inches of precipitation, 0.0 inches of snowJuly: 2.60 inches of precipitation, 0.0 inches of snowAugust: 2.56 inches of precipitation, 0.0 inches of snowSeptember: 1.24 inches of precipitation, 0.5 inches of snowOctober: 1.00 inches of precipitation, 5.7 inches of snowNovember: 0.61 inches of precipitation, 7.0 inches of snowDecember: 0.52 inches of precipitation, 8.2 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 29.2°F averageFebruary: 30.9°F averageMarch: 37.6°F averageApril: 43.4°F averageMay: 52.7°F averageJune: 63.0°F averageJuly: 68.4°F averageAugust: 66.3°F averageSeptember: 59.3°F averageOctober: 48.0°F averageNovember: 37.9°F averageDecember: 29.6°F average0 in5 in10 in15 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Cheesman, 9 miles from the center point at 6,880 feet, station USC00051528 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 16 inches a year. The dotted line is average snowfall, about 59 inches a year on the same inches scale. 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 sits inside the boundary. 28 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

16 more within ten miles are not listed here.

15 named Forest Service trails enter this wilderness, 307 miles in all. The 10 longest are listed here.

TrailMiles
Colorado193.8
Brookside-McCurdy32.1
Ben Tyler11.7
Wigwam11.6
Goose Creek9.5
Payne Creek7.6
McCurdy Park7.2
Hankins Pass6.5
Rolling Creek6.4
Craig Park5.8

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.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 14 in all · Register Atlas

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

Reference

Questions people ask

How big is Lost Creek Wilderness?

114,864 acres.

Source: Wilderness Connect

Who manages Lost Creek Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Lost Creek Wilderness in?

Colorado.

Source: Wilderness Connect

When was Lost Creek Wilderness designated?

Congress designated it in 1980.

Source: Wilderness Connect

Can I camp at Lost Creek Wilderness?

No federal campground sits inside the boundary. The nearest is Lost Park, 0.1 miles out. 28 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 Lost Creek Wilderness?

A point inside the boundary is at 39.280, -105.421. Florissant Fossil Beds National Monument is 14 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

How dark is the night sky at Lost Creek Wilderness?

NASA’s Black Marble night-lights image reads 13 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Which national parks are near Lost Creek Wilderness?

Florissant Fossil Beds National Monument (14 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Lost Creek Wilderness?

14 National Register listings within 15 miles, including Glenisle and Tarryall School.

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.