
Diamond Peak Wilderness straddles the Cascade Mountains. Diamond Peak was formed as the entire land mass of the Cascades was undergoing volcanic activity and uplift. Great glaciers carved the large volcanic peak and when they receded, the bulk of the mountain remained, with snowfields near the summit and dozens of small lakes surrounding the peak. This 52,611 acre Wilderness spans both the Deschutes and Willamette National Forests.
Lakes are one to 28 acres in size. Approximately 14 miles of the Pacific Crest National Scenic Trail pass through this wilderness. Another 38 miles of trail, including the 10-mile Diamond Peak Trail, stretches the length of the west side of the peak.
Nearly the entire area is covered with mixed stands of mountain hemlock, lodgepole and western white pine, and silver, noble and other true firs.
At a Glance
Fees |
- Free PERMIT required Memorial Day through October 31: self-issue wilderness permit available at the trailhead.
- Motorized and mechanical equipment (including bicycles and drones) are prohibited in the wilderness.
- Groups must be under 12 people and 12 head of stock.
- Build campfires at least 100 feet away from water.
- Pack in / Pack out!
- “Take only pictures, leave only footprints”—please refrain from cutting, damaging or gathering vegetation or other forest items, i.e. rocks, etc.
- Please bury human waste 6-8” deep and at least 200’ away from water.
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Permit Info: |
Wilderness Permits are required for both day use and overnight stays from Memorial Day Weekend until Oct. 31. Free permits are self-issued at the trailhead |
Open Season: |
June |
Restrictions: |
Wilderness restrictions apply |
Passes: |
Some trailheads require a valid recreation pass. Check our Recreation Passes & Permits page for details. |
Information Center: |
Deschutes National Forest:
Willamette National Forest:
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General Information
Directions:
Trail and trailhead access to Diamond Peak Wilderness:
From Crescent, OR (or Eugene) via Highway 58:
Other trails within Diamond Peak Wilderness:
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Stag Lake Trail and Pretty Lake Trail - access from Fawn Lake or Crater Butte Trails.
From Eugene, OR on Highway 58:
Topo Maps:
Cowhorn Mountain, Diamond Peak, Emigrant Butte, Groundhog Mountain, Rigdon Point. Download free U.S. Forest Service Topo maps.
Buy maps online
Go to the National Forest Store.
Wilderness.net
Go to Wilderness.net for online maps and other important Wilderness information.
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