USFS · Utah

Mount Olympus Wilderness

Mount Olympus is one of three wilderness areas that form a spectacular backdrop for the Salt Lake Valley Located southeast of Salt Lake City, Mount Olympus Wilderness consists of narrow canyons and rugged...

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

Official page at Wilderness Connect ↗
Mount Olympus Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateUtah
Size15,291 acres (Wilderness Connect)
Designated1984, by Congress
Center point40.6611, -111.7309
Night skyVery dark ground, a faint glow at most (Black Marble reading 22)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees Federal campground Forest Service recreation site

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 Olympus Wilderness30°40°50°60°70°80°January: 2.16 inches of precipitation, 17.0 inches of snowFebruary: 2.31 inches of precipitation, 18.4 inches of snowMarch: 2.66 inches of precipitation, 7.6 inches of snowApril: 3.34 inches of precipitation, 5.6 inches of snowMay: 2.83 inches of precipitation, 0.3 inches of snowJune: 1.36 inches of precipitation, 0.0 inches of snowJuly: 0.60 inches of precipitation, 0.0 inches of snowAugust: 0.91 inches of precipitation, 0.0 inches of snowSeptember: 1.62 inches of precipitation, 0.0 inches of snowOctober: 2.09 inches of precipitation, 1.5 inches of snowNovember: 2.10 inches of precipitation, 8.2 inches of snowDecember: 2.36 inches of precipitation, 23.3 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 30.4°F averageFebruary: 35.6°F averageMarch: 44.1°F averageApril: 50.1°F averageMay: 59.4°F averageJune: 69.6°F averageJuly: 79.1°F averageAugust: 77.3°F averageSeptember: 67.6°F averageOctober: 53.8°F averageNovember: 40.3°F averageDecember: 30.7°F average0 in5 in10 in15 in20 in25 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Cottonwood Weir, 4 miles from the center point at 4,986 feet, station USC00421759 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 24 inches a year. The dotted line is average snowfall, about 82 inches a year on the same inches scale. The station sits about 4,400 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 →

1 federal campground sits inside the boundary and 8 more are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Show 1 more

Trailheads and sites

Forest Service directory · 2

The Forest Service lists 2 recreation sites inside this wilderness, among them 1 trailhead, 1 fishing. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Distance is from the center point of the boundary, not from a road or town.

13 named Forest Service trails enter this wilderness, 55 miles in all. The 10 longest are listed here.

TrailMiles
Desolation17.6
Bonneville Shoreline South6.5
Neffs Canyon4.4
Bowman Fork4.3
Mill B North3.8
Porter Fork3.6
Alexander Basin3.2
Mount Olympus2.7
Terraces Elbow Fork2.6
Butler Fork2.1

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
    South Street

    37 mi from the center point · 12 acres

  • Prescribed
    Pitt And Page Rx

    38 mi from the center point

  • Prescribed
    Castle Peak Rx

    38 mi from the center point

  • Prescribed
    Spring Canyon Rx

    40 mi from the center point

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 Park System units within 30 miles · Park Atlas
National Register listings within 15 miles · 439 in all · Register Atlas

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

Reference

Questions people ask

How big is Mount Olympus Wilderness?

15,291 acres.

Source: Wilderness Connect

Who manages Mount Olympus Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Mount Olympus Wilderness in?

Utah.

Source: Wilderness Connect

When was Mount Olympus Wilderness designated?

Congress designated it in 1984.

Source: Wilderness Connect

Can I camp at Mount Olympus Wilderness?

1 federal campground sits inside the boundary, including Birches Picnic Area. 9 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

Where are the trailheads in Mount Olympus Wilderness?

The Forest Service lists 2 recreation sites here, including 1 trailhead and 1 lake and pond fishing. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to Mount Olympus Wilderness?

A point inside the boundary is at 40.661, -111.731. Timpanogos Cave National Monument is 13 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Mount Olympus Wilderness right now?

4 active incidents within 50 miles as of 2026-09-18, the nearest South Street at 37 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Mount Olympus Wilderness?

NASA’s Black Marble night-lights image reads 22 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 Mount Olympus Wilderness?

Timpanogos Cave National Monument (13 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.
  • 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.