Mt. Thielsen Wilderness

Located in the Deschutes, Umpqua and Winema National Forests in Oregon.

The 55,100 acre Mt. Thielsen Wilderness area is located north of Crater Lake National Park. Elevations within the area range from 4,300 feet to over 9,100 feet. The highest point in the wilderness is the 9,182 foot Mt Thielsen, a popular destination for climbers. The wilderness contains 78 miles of hiking trails including a 26 mile portion of the Pacific Crest Trail.

The Mount Thielsen Wilderness presents a true wilderness experience to the experienced backpacker. It is the only wilderness area in Oregon classified as pristine. The wilderness was created by the Oregon Wilderness Act of 1984 and its administration is divided between three National Forests.

For further information contact: The Deschutes, Umpqua or Winema National Forests.

Published: 29 Apr 2002 | Last Updated: 25 May 2011
Details mentioned in this article were accurate at the time of publication

  • Mt. Thielsen Wilderness Travel Q&A

  • What's your favorite hike? Where's the best campsite? Join the conversation! Ask Your Question

park finder
step one
Where are you going?

step one
What do you want to do?

+ More Activities

Receive Gear Reviews, Articles & Advice

Preview this newsletter »


Parks Near Mt. Thielsen Wilderness
GEARZILLA: The Gorp Gear Blog


Ask Questions