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

Upcoming Activities

Day Hike - Duckabush River

Day Hiking Trip
Dog-friendly moderate-paced winter fitness hike.
Difficulty: Moderate/Strenuous
Sun, Jan 26, 2020
No Prerequisites
2 participants
Registration closed Jan 23
Olympia Branch

CHS 2 Hike - Duckabush River

Day Hiking Field trip: Conditioning Hiking Series
CHS hike led at a CHS 2 pace (2.0-3.0 mph)
Difficulty: Moderate/Strenuous
Sun, May 10, 2020
No Prerequisites
11 participants
Registration opens Apr 22
Seattle Branch

CHS Tacoma September Hikes - Duckabush River

Day Hiking Field trip: Conditioning Hiking Series
Trip will initially open to Tacoma Branch Conditioning Hiking Students. Trip will open for registration
Difficulty: Moderate/Strenuous
Sun, Sep 6, 2020
No Prerequisites
8 participants
Registration opens Aug 15
Tacoma Branch
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