Fire lookout · Snoqualmie Pass
Thorp Mountain Lookout
4.2 mi round trip1,721 ft gainModerateDay hike: No permitOvernight: No permit
Get alerts for this hikePermits and reservations
Day hikeNo permit
No permit or reservation.
OvernightNo permit
No permit or reservation. Camp at least 200 ft from lakes and streams.
Outside wilderness and park boundaries, on Forest Service land. Matched from official boundaries and trail managers. Always confirm with the land manager before you go.
About the trail
Distance4.2 miRound trip, out and back
Elevation gain1,721 ftTotal climb, round trip
Summit5,820 ftFrom elevation data
Overview
Thorp Mountain Lookout is a fire lookout reached by a 4.2-mile round trip from Parking area. The route follows Knox Creek Trail (#1315A), then Kachess Ridge Trail (#1315), then Thorp Mountain Trail (#1315B) to the lookout.
Heads up: the last stretch to the top is off trail.
Photos from hikers
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What you need
Parking and passes
Forest Service trailhead: display a Northwest Forest Pass or an interagency pass (America the Beautiful).
Buy a Northwest Forest PassGetting there
The hike starts at Parking area. Save directions offline before you leave, since mountain roads often lose cell service.