All recreation offerings across the Willamette National Forest are currently closed including campgrounds, day use areas, trails, boat ramps and more. Forest Service roads are closed to the public across the Willamette National Forest unless you are vacating the Forest


Triangulation Peak Trail #3374

Area Status: Temporarily Closed
This area is Closed

The trail meanders through older Douglas-Fir and Western Hemlock. There are abundant wildflowers along rocky openings. From the old lookout location there are excellent views of Mt. Jefferson and the Cascades.

At a Glance

Current Conditions:

New for 2021, trails in Mt. Jefferson, Mt. Washington, and Three Sisters Wilderness Areas will require a Central Cascades Wilderness Permit for overnight use and some will require one for day-use. Learn more.

Permit Info: Self issue wilderness permit required
Usage: Medium
Closest Towns: Detroit, Oregon
Water: None
Information Center: Detroit Ranger District
44125 North Santiam Highway SE
Detroit, OR 97342

General Information

  • Access is from Triangulation Trailhead
  • From the trailhead, hike along Triangulation Trail #3373 for about 1.5 miles to the Triangulation Peak Trail junction. 

General Notes:

Map of Triangulation Peak trail


Close to:


6 - 8 vehicles



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Day Hiking

Difficulty Level: Intermediate to Difficult


Difficulty Level: Intermediate to Difficult

Horse Riding & Camping

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Areas & Activities



  Area/Length : 
.6 miles

  Latitude : 

  Longitude : 

  Elevation : 
4800 feet - 5400 feet