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.