BLM · Utah

Sid's Mountain Wilderness

The Sid’s Mountain Wilderness is in the northwest portion of the San Rafael Swell and is named after one of the area’s earliest ranchers, Sid Swasey. Sid’s Cabin was built in the 1920’s and is...

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

Official page at Wilderness Connect ↗
Sid's Mountain Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byBureau of Land Management
StateUtah
Size49,130 acres (Wilderness Connect)
Designated2019, by Congress
Center point39.0252, -110.7913
Night skyVery dark ground, a faint glow at most (Black Marble reading 30)

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 Sid's Mountain Wilderness20°30°40°50°60°70°80°January: 0.63 inches of precipitation, 5.5 inches of snowFebruary: 0.64 inches of precipitation, 3.3 inches of snowMarch: 0.59 inches of precipitation, 1.4 inches of snowApril: 0.54 inches of precipitation, 0.2 inches of snowMay: 0.72 inches of precipitation, 0.0 inches of snowJune: 0.45 inches of precipitation, 0.0 inches of snowJuly: 0.59 inches of precipitation, 0.0 inches of snowAugust: 0.92 inches of precipitation, 0.0 inches of snowSeptember: 1.03 inches of precipitation, 0.0 inches of snowOctober: 0.97 inches of precipitation, 0.1 inches of snowNovember: 0.46 inches of precipitation, 1.2 inches of snowDecember: 0.47 inches of precipitation, 4.9 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 25.1°F averageFebruary: 31.5°F averageMarch: 41.5°F averageApril: 48.2°F averageMay: 57.0°F averageJune: 66.1°F averageJuly: 72.7°F averageAugust: 70.4°F averageSeptember: 62.0°F averageOctober: 49.9°F averageNovember: 36.5°F averageDecember: 26.1°F average0 in2 in4 in6 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Castle Dale, 17 miles from the center point at 5,629 feet, station USC00421214 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 8 inches a year. The dotted line is average snowfall, about 17 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 sits inside the boundary. 4 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 10 in all · Register Atlas

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

Reference

Questions people ask

How big is Sid's Mountain Wilderness?

49,130 acres.

Source: Wilderness Connect

Who manages Sid's Mountain Wilderness?

The Bureau of Land Management.

Source: Wilderness Connect

What state is Sid's Mountain Wilderness in?

Utah.

Source: Wilderness Connect

When was Sid's Mountain Wilderness designated?

Congress designated it in 2019.

Source: Wilderness Connect

Can I camp at Sid's Mountain Wilderness?

No federal campground sits inside the boundary. The nearest is Sids Mountain Wilderness - The Wedge, 0.1 miles out. 4 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 Sid's Mountain Wilderness?

A point inside the boundary is at 39.025, -110.791. The official page carries directions and the office address.

Source: Wilderness Connect

How dark is the night sky at Sid's Mountain Wilderness?

NASA’s Black Marble night-lights image reads 30 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 Sid's Mountain Wilderness?

10 National Register listings within 15 miles, including San Rafael Bridge and Denver and Rio Grande Lime Kiln.

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.