Pets allowed
Allowed with Restrictions
Guided tours
No
Backcountry camping
Yes
Lodging
No
Please respect the outdoors by practicing Leave No Trace. Learn more about how to apply the principles of Leave No Trace on your next outdoor adventure here.

The Mount Thielsen Wilderness is a federally protected wilderness area located on and around Mount Thielsen in the southern Cascade Range of Oregon. It encompasses 54,914-acres spanning across the Deschutes, Umpqua, and Fremont–Winema national forests and is managed by the United States Forest Service. 

The highlight of this wilderness is the majestic Mount Thielsen, which has been carved by glacial activity and rises to 9,182 feet above sea level. The area consists primarily of alpine forests and beautiful meadows. It is common to find trees such as mountain hemlock, fir, and whitebark pine in the higher elevations of this wilderness while lodgepole pine trees dominate the lower elevations. 

ELEVATION RANGE: 5,000’ - 9,182’ at the summit of Mount Thielsen. 

RECREATION OPPORTUNITIES
Mount Thielsen Wilderness offers a variety of recreational opportunities including camping, hiking, trail running, wildlife viewing, and rock climbing. There are approximately 78 miles of trails within the wilderness, including a 26-mile stretch of the Pacific Crest Trail (PCT). 

PASSES AND PERMITS

Certain trailheads require a pass and/or permit. For detailed information please visit https://www.fs.usda.gov/main/umpqua/passes-permits/recreation

ADDITIONAL INFORMATION

Fremont Winema National Forest

Mt. Thielsen Wilderness: Deschutes

Mt. Thielsen Wilderness: Umpqua

Logistics + Planning

Congestion

Moderate

Parking Pass

NW Forest Pass

Open Year-round

Yes

Pros

Mount Thielsen. Alpine forests. Meadows.

Cons

Mosquitos in the summer.

Features

Wildlife
Backcountry camping
Big vistas
Geologically significant
Wildflowers
Near lake or river
Horseback riding
Bouldering

Location

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