Cooper River Trail #1311

Area Status: Open
This area is Open

The trail begins at the Salmon La Sac Trailhead and travels along the river to the Forest Road 4616 near Cooper Lake.

At a Glance

Fees $5/Vehicle/day or Northwest Forest Pass required at the Salmon La Sac trailhead.
Open Season: early summer - late fall
Best Season: summer
Busiest Season: summer
Restrictions: No motorized vehicles permitted on the trail.
Closest Towns: Cle Elum/Roslyn
Passes: $5/Vehicle/day or Northwest Forest Pass required at the Salmon La Sac trailhead.

General Information


From Cle Elum and/or Roslyn, take State

Highway 903 north to Salmon La Sac, then turn left on FS Road

4316 and take spur Road 111 to the trailhead. This is also the trailhead

for Waptus River Trail 1310 and Polallie Ridge Trail 1309.

General Notes:

SETTING: River valley, old-growth forest.

DESCRIPTION: The trail follows the north side of the Cooper River

from the trailhead to its end at the junction with FS Road 4616

near Cooper Lake. Though generally a gentle grade, this trail

has many up and downhill stretches as it runs through the oldgrowth

forest along the river. This trail is a good day hike especially

with road access at either end.


Parking, toilets, hitch rails, and stock ramps at the Salmon La Sac trailhead.



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Day Hiking

View big trees and a tumbling river along this easy trail.

Difficulty Level: Easy


Mostly a dayhike, this trail can be combined with Pete Lake Trail #1323, Waptus Pass #1329, and either Waptus River #1310 or Polallie Ridge #1309 for a multiday loop.

Difficulty Level: Easy

Horse Riding & Camping

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