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Recreation Region: Detroit Ranger District

Triangulation Trailhead

This trailhead provides access for: 

  • Triangulation Trail #3373
  • Triangulation Peak Trail #3374

See trail pages for more information.

Current Conditions
Closed due to Lionshead Fire.

General Information

There are two types of entry permits required between June 15 and October 15 for entering the Mt. Jefferson Wilderness from this trailhead.

  • Overnight Use
  • Day Use
    • Free, self-issue Wilderness Permit (available at the trailhead) between June 15 and October 15.

Check out Recreation.gov for more information or call 1-877-444-6777.

A sign that says, "detroit ranger station willamette national forest" with a building in the background

Address: 44125 North Santiam Highway SE Detroit, OR 97342
Phone: (503) 854-3366
Hours: Monday-Saturday, 8:00 a.m. - 4:30 p.m. (Closed on federal holidays)
Office Email: sm.fs.mf@usda.gov

Getting There

Directions

From Detroit, Oregon travel east on Highway 22 for approximately 8 miles to Forest Service Road 2233 (McCoy Creek Road), turn left onto FS Road 2233, travel 7 miles to Triangulation Trail #3373. 

  • Triangulation Trailhead is on the right.
  • Hike along Triangulation Trail for about 1.5 miles to Triangulation Peak Trail junction.

Facility and Amenity Information

Accessibility

Restrooms

Restrooms are not available at this site.

Water

Potable water is not available at this site.

Recreation Opportunities

Last updated April 25th, 2025