USFS · Michigan

Sylvania Wilderness

Most of Michigan's pristine forestland has been logged off, but here you'll find stands of the rare and treasured trees that once blanketed the state. In 1885 a man named A. D. Johnston purchased 80 acres...

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

Official page at Wilderness Connect ↗
Sylvania Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateMichigan
Size15,237 acres (Wilderness Connect)
Designated1987, by Congress
Center point46.2108, -89.2943
Night skyAbout as dark as the ground gets (Black Marble reading 9)

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 Sylvania Wilderness10°20°30°40°50°60°70°January: 1.48 inches of precipitationFebruary: 1.19 inches of precipitationMarch: 1.65 inches of precipitationApril: 2.84 inches of precipitationMay: 3.36 inches of precipitationJune: 3.73 inches of precipitationJuly: 3.97 inches of precipitationAugust: 3.31 inches of precipitationSeptember: 3.62 inches of precipitationOctober: 3.73 inches of precipitationNovember: 2.29 inches of precipitationDecember: 1.75 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 11.8°F averageFebruary: 14.2°F averageMarch: 24.1°F averageApril: 37.0°F averageMay: 50.8°F averageJune: 61.0°F averageJuly: 65.0°F averageAugust: 62.9°F averageSeptember: 55.5°F averageOctober: 42.6°F averageNovember: 29.8°F averageDecember: 17.9°F average0 in1 in2 in3 in4 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Paulding, 14 miles from the center point at 1,367 feet, station USC00206398 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 33 inches a year.

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. 6 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

36 named Forest Service trails enter this wilderness, 39 miles in all. The 10 longest are listed here.

TrailMiles
Clark Lake8.6
Land O' Lakes Ski Trail7.1
South Gate5.3
East Bear Lake4.8
Thompson Lodge2.5
Fisher Lake1.7
Loon Campsite0.8
Whitefish Lake (west)0.8
Badger Campsite0.6
Loon/Fisher Lake Portage0.5

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
  • Prescribed
    Watersmeet Admin Rx

    7 mi from the center point

  • Wildfire
    Bog

    33 mi from the center point · 94 acres

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 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 Sylvania Wilderness?

15,237 acres.

Source: Wilderness Connect

Who manages Sylvania Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Sylvania Wilderness in?

Michigan.

Source: Wilderness Connect

When was Sylvania Wilderness designated?

Congress designated it in 1987.

Source: Wilderness Connect

Can I camp at Sylvania Wilderness?

No federal campground sits inside the boundary. The nearest is Sylvania Campground, 0.1 miles out. 6 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 Sylvania Wilderness?

A point inside the boundary is at 46.211, -89.294. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Sylvania Wilderness right now?

2 active incidents within 50 miles as of 2026-09-18, the nearest Watersmeet Admin Rx at 7 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Sylvania Wilderness?

NASA’s Black Marble night-lights image reads 9 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 Sylvania Wilderness?

3 National Register listings within 15 miles, including Forest Route 157--Tamarack River Bridge and Mayo 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.