Waptus Pass

Getting There

This trail is accessible from both Pete Lake Trailhead and the Cooper River trailhead. The pin is at the Cooper River trailhead.

Cooper River Trailhead

Drive I-90 to exit 80 signed for Roslyn/Salmon la Sac. Turn north onto State Route 903. You’ll drive for nearly 15 miles, skirting Cle Elum Lake before arriving at a Y-junction in the road near the Salmon La Sac Campground. Veer left onto Road 111, crossing the bridge over the Cle Elum River and following the sign for the Cooper River Trail. Arrive at the large trailhead in another half mile. There is a privy available at this trailhead.

Pete lake Trailhead

From Seattle, drive east on I-90 and take exit 80 (Roslyn/Salmon la Sac). Turn left (north) onto Bullfrog Road. Drive it for 2.8 miles, passing through two traffic circles. Exit the second traffic circle onto WA-903 north, driving through Roslyn and past Cle Elum Lake to a junction with FR-46. (From I-90 this is a total of 16.8 miles.)

Turn left (west) on FR-46 (signed for FR 4600) and follow 4.7 miles. Turn right on FR-4616 and continue 1 mile to the trailhead.