Loop · Middle Fork Snoqualmie Natural Resources Conservation Area
Mailbox Peak Loop Trail
6.9 mi loop3,485 ft gainHardDay hike: No permitOvernight: Designated sites
Get alerts for this hikePermits and reservations
Day hikeNo permit
No permit or reservation. Just the Discover Pass on your dashboard.
OvernightDesignated sites
Camp only at designated sites. Many DNR conservation areas do not allow overnight camping, so check the trailhead sign.
Washington DNR rules. Matched from trail managers on the map. Always confirm with the land manager before you go.
About the trail
Distance6.9 miFull loop
Elevation gain3,485 ftTotal climb
High point4,802 ftFrom elevation data
Overview
Mailbox Peak Loop Trail is a 6.9-mile loop starting from Mailbox Peak Trailhead. The route follows Mailbox Peak Loop Trail.
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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 Mailbox Peak Trailhead. Save directions offline before you leave, since mountain roads often lose cell service.