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Tibbett's Marsh

Issaquah Alps


Issaquah Alps -- Cougar Mountain
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0.9 miles, one-way


Gain: 200 ft.
Highest Point: 1400 ft.


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WTA worked here: 2016

Parking Pass/Entry Fee


Start from the Harvey Manning Trailhead, taking the Shangri La Trail to start. After about 0.1 mile you’ll come to the junction for the Tibbett’s Marsh Trail. Turn right here, go for a few hundred feet, then turn left for 0.4 mile.

At the next junction with the Protector Trail, stay right for 0.1 mile. Here you will reach yet another junction. Stay right here as well and the trail will cross over Tibbett’s creek before arriving at the final junction with the Cougar Pass Trail. Stay left here and 0.2 mile later you’ll arrive at the Clay Pit Road, the official end of this trail. Head back the way you came or turn left to check out the old clay pit, then loop back on a different trail.


Tibbett's Marsh

Map & Directions

Co-ordinates: 47.5411, -122.0962 Open map in new window


Issaquah Alps -- Cougar Mountain

Tibbett's Marsh (#COUGAR-N9)

King County Parks

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Getting There

From I-90, take Exit 13 and drive south on Lakemont Blvd SE for two and a half miles. Turn left onto SE Cougar Mountain Way and follow the double yellow line. As you drive, the road takes a left, becoming 168th Place SE and then right to become SE 60th Street. Turn off 60th St uphill onto the dead-end road, SE Cougar Mountain Drive. The road will change to gravel, and at the end is the trailhead.

Parking Pass/Entry Fee


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Tibbett's Marsh

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