Duckabush River

A strenuous, 10.6 mile in-and-out day hike, backpack or trail run with 2,300 ft in elevation gain. The trail ascends the river up through old-growth forests and into The Brothers Wilderness.

getting there

At milepost 310 on US 101, turn west onto Duckabush Road. Drive 6 mi, turn right on Forest Road 2510 and continue to the Duckabush River trailhead.

on the trail

Start on an old roadbed and climb over “Little Hump” into The Brothers Wilderness Area, traveling through second-growth forest from the 1920’s and 1930's. The next mile and a half is relatively flat and travels through mossy undergrowth. The the trail reaches a view of the river, huge cedar and fir trees, and the start of the old-growth forest. Next climb 1,000 feet over “Big Hump” where the trail becomes steeper with a loose rock tread and continue to Five Mile Camp.


  • The Duckabush River Trail goes more than 20 miles into the heart of the Olympics, so you may extend your trip by by a few or many miles.
  • Suitable Activities: Backpacking, Day Hiking, Trail Running
  • Seasons: Year-round
  • Weather: View weather forecast
  • Difficulty: Moderate/Strenuous
  • Length: 10.6 mi
  • Elevation Gain: 2,300 ft
  • 1,750 ft
  • Green Trails Olympic Mountains East No. 168S
  • Green Trails The Brothers No. 168
  • Custom Correct Brothers - Mt Anderson
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