USFS · Wisconsin

Rainbow Lake Wilderness

Slightly more than six miles of the North Country National Scenic Trail cross this Wilderness from northwest to southeast, passing close to Rainbow Lake itself. Anderson Grade is the only other maintained...

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

Official page at Wilderness Connect ↗
Rainbow Lake Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateWisconsin
Size7,135 acres (Wilderness Connect)
Designated1975, by Congress
Center point46.4163, -91.3038
Night skyAbout as dark as the ground gets (Black Marble reading 12)

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 Rainbow Lake Wilderness10°20°30°40°50°60°70°January: 1.21 inches of precipitation, 15.5 inches of snowFebruary: 1.13 inches of precipitation, 12.1 inches of snowMarch: 2.06 inches of precipitation, 12.5 inches of snowApril: 3.20 inches of precipitation, 6.5 inches of snowMay: 4.06 inches of precipitation, 0.1 inches of snowJune: 3.73 inches of precipitation, 0.0 inches of snowJuly: 5.15 inches of precipitation, 0.0 inches of snowAugust: 3.52 inches of precipitation, 0.0 inches of snowSeptember: 3.82 inches of precipitation, 0.0 inches of snowOctober: 3.18 inches of precipitation, 1.2 inches of snowNovember: 2.06 inches of precipitation, 12.9 inches of snowDecember: 1.62 inches of precipitation, 13.4 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 10.9°F averageFebruary: 15.2°F averageMarch: 27.3°F averageApril: 39.2°F averageMay: 52.2°F averageJune: 61.9°F averageJuly: 66.2°F averageAugust: 65.1°F averageSeptember: 57.8°F averageOctober: 44.3°F averageNovember: 29.9°F averageDecember: 17.4°F average0 in5 in10 in15 in20 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Drummond, 6 miles from the center point at 1,340 feet, station USC00472240 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 35 inches a year. The dotted line is average snowfall, about 74 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. 3 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Trailheads and sites

Forest Service directory · 1

The Forest Service lists 1 recreation site inside this wilderness, among them 1 viewing Wildlife. 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.

1 named Forest Service trail enters this wilderness, 35 miles in all.

TrailMiles
North Country National Scenic34.9

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 · 3 in all · Register Atlas

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

Reference

Questions people ask

How big is Rainbow Lake Wilderness?

7,135 acres.

Source: Wilderness Connect

Who manages Rainbow Lake Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Rainbow Lake Wilderness in?

Wisconsin.

Source: Wilderness Connect

When was Rainbow Lake Wilderness designated?

Congress designated it in 1975.

Source: Wilderness Connect

Can I camp at Rainbow Lake Wilderness?

No federal campground sits inside the boundary. The nearest is Perch Lake Recreation Area, 0.1 miles out. 3 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 Rainbow Lake Wilderness?

The Forest Service lists 1 recreation site here, including 1 viewing wildlife. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to Rainbow Lake Wilderness?

A point inside the boundary is at 46.416, -91.304. North Country National Scenic Trail is 22 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

How dark is the night sky at Rainbow Lake Wilderness?

NASA’s Black Marble night-lights image reads 12 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 Rainbow Lake Wilderness?

North Country National Scenic Trail (22 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Rainbow Lake Wilderness?

3 National Register listings within 15 miles, including Island Lake Camp and Forest Lodge Library.

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.