BLM · USFS · Idaho

Frank Church-River of No Return Wilderness

Few places in America, and nowhere outside of Alaska, provide a Wilderness experience to match the sheer magnitude of the Frank Church-River of No Return, the largest contiguous unit of the National Wilderness...

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

Official page at Wilderness Connect ↗
Frank Church-River of No Return Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byBureau of Land Management and U.S. Forest Service
StateIdaho
Size2.4 million acres (Wilderness Connect)
Designated1980, by Congress
Center point45.0659, -114.9649
Night skyAbout as dark as the ground gets (Black Marble reading 16)

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 Frank Church-River of No Return Wilderness20°30°40°50°60°70°January: 1.21 inches of precipitation, 9.4 inches of snowFebruary: 0.87 inches of precipitation, 5.3 inches of snowMarch: 1.07 inches of precipitation, 3.0 inches of snowApril: 1.49 inches of precipitation, 0.3 inches of snowMay: 1.84 inches of precipitation, 0.2 inches of snowJune: 1.73 inches of precipitation, 0.0 inches of snowJuly: 0.99 inches of precipitation, 0.0 inches of snowAugust: 0.69 inches of precipitation, 0.0 inches of snowSeptember: 1.10 inches of precipitation, 0.0 inches of snowOctober: 1.36 inches of precipitation, 0.2 inches of snowNovember: 1.44 inches of precipitation, 4.7 inches of snowDecember: 1.09 inches of precipitation, 8.1 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 23.6°F averageFebruary: 28.9°F averageMarch: 38.2°F averageApril: 45.8°F averageMay: 53.9°F averageJune: 60.9°F averageJuly: 69.7°F averageAugust: 68.4°F averageSeptember: 58.7°F averageOctober: 45.5°F averageNovember: 32.7°F averageDecember: 23.5°F average0 in2 in4 in6 in8 in10 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Taylor Rch, 6 miles from the center point at 3,835 feet, station USC00109000 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 15 inches a year. The dotted line is average snowfall, about 31 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 →

3 federal campgrounds sit inside the boundary and 54 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 4 more

45 more within ten miles are not listed here.

Trailheads and sites

Forest Service directory · 11

The Forest Service lists 11 recreation sites inside this wilderness, among them 5 trailheads, 3 campgrounds, 2 picnic areas, 1 interpretive site. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Show all 11

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

299 named Forest Service trails enter this wilderness, 2,638 miles in all. The 10 longest are listed here.

TrailMiles
Middle Fork71.8
Chamberlain44.7
Cold Meadows36.7
Big Creek34.2
Square Top-West Horse33.4
Middle Fork River31.6
Indian Creek30.2
Bighorn Crags29.7
Mosquito Ridge27.3
Cottonwood Butte25.9

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 · 42 in all · Register Atlas

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

Reference

Questions people ask

How big is Frank Church-River of No Return Wilderness?

2.4 million acres.

Source: Wilderness Connect

Who manages Frank Church-River of No Return Wilderness?

Bureau of Land Management and U.S. Forest Service share management. The Bureau of Land Management portion is the largest in the wilderness record.

Source: Wilderness Connect

What state is Frank Church-River of No Return Wilderness in?

Idaho.

Source: Wilderness Connect

When was Frank Church-River of No Return Wilderness designated?

Congress designated it in 1980.

Source: Wilderness Connect

Can I camp at Frank Church-River of No Return Wilderness?

3 federal campgrounds sit inside the boundary, including Chamberlain Basin Camping Area, Horse Heaven Cabin and Mackay Bar Campground. 57 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 Frank Church-River of No Return Wilderness?

The Forest Service lists 11 recreation sites here, including 5 trailheads, 3 campground campgrounds and 2 picnickings. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to Frank Church-River of No Return Wilderness?

A point inside the boundary is at 45.066, -114.965. The official page carries directions and the office address.

Source: Wilderness Connect

How dark is the night sky at Frank Church-River of No Return Wilderness?

NASA’s Black Marble night-lights image reads 16 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Are there historic places near Frank Church-River of No Return Wilderness?

42 National Register listings within 15 miles, including Arctic Point Fire Lookout and Butts Point Creek Fire Lookout.

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.