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Clay Pit Road

Issaquah Alps


Issaquah Alps -- Cougar Mountain
View map below


3.0 miles, roundtrip



2.75 out of 5

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Parking Pass/Entry Fee


A short amble along a road in Cougar Mountain Regional Wildland Park. Access to Coyote Creek, Cave Hole, and By Pass trails, as well as plenty of other options to create large or small loops in this park near Issauquah.

Despite the name the clay pits at the end of the road are closed to the public. But opportunities to explore the area abound, including the intriguing caves nearby.


Clay Pit Road

Map & Directions

Co-ordinates: 47.5301, -122.1030 Open map in new window


Issaquah Alps -- Cougar Mountain

Clay Pit Road (#COUGAR-C1)

King County Parks

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Guidebooks & Maps

National Geographic Issaquah Alps Mount Si 824

Getting There

Driving directions

From I-90: Take exit 13 for Lakemont Boulevard. Turn right (south) onto Lakemont Boulevard which eventually becomes Newcastle-Coal Creek Road. Turn left onto Cougar Mountain Way and proceed for about 0.5 mile before turning right onto 166th Way. Follow 166th Way for about 0.75 mile to a yellow gate and a large parking area to the right.

Take Transit

Take the bus to the trailhead!

For the 2019 hiking season, Trailhead Direct is providing transit service from the Seattle area to popular trails in the area. 

Parking Pass/Entry Fee


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Clay Pit Road

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