Peak · Snoqualmie Pass
Mount Hyak
3.6 mi round trip4,288 ft gainHardDay hike: No permitOvernight: No permit
Permits and reservations
Day hikeNo permit
No permit or reservation.
Camping overnightAllowed
No permit. Dispersed camping is generally allowed on national forest land unless posted otherwise. No permit or reservation. Camp at least 200 ft from lakes and streams.
Source: official rules · Last checked Oct 2026 · Auto-checked
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
Distance3.6 miRound trip, out and back
Elevation gain4,288 ftTotal climb, round trip
Summit3,737 ftFrom elevation data
Overview
Mount Hyak is a peak reached by a 3.6-mile round trip from Hyak Trailhead. The route follows Cold Creek, then Forest Road 9070-110 to the summit.
Heads up: 90% on old roads.
Photos from hikers
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What you need
Parking and passes
This trailhead is on state land, so you need a Discover Pass on your dashboard.
Get a Discover PassGetting there
The hike starts at Hyak Trailhead. Save directions offline before you leave, since mountain roads often lose cell service.