Distance
9.4 miles roundtrip
Trail Guide
Mailbox Peak New Trail
9.4 mi roundtrip · 4,000 ft gain · Hard · Mailbox Peak
Trail Stats
Elevation Gain
4,000 ft
Highest Point
4,841 ft
Trailhead Elevation
900 ft
Difficulty
Hard
Trail Type
Out And Back
Features
Switchbacks
Mountain views
Summit mailbox
Technical Notes
Official maintained trail with switchbacks. Same elevation gain as the old trail but spread over more distance, making it more manageable. Still a demanding hike. Better footing than the old trail. Merges with old trail near the summit.
Getting There
Trailhead
Mailbox Peak Trailhead
SE Middle Fork Rd, North Bend, WA
Parking: ~30 spaces
From Seattle
38 mi · 45 min drive
I-90 East to Exit 34. Turn left onto SE Middle Fork Rd. Follow for ~2.5 miles to trailhead.
Planning Details
Best Season
May through November
Dogs Allowed
Yes
Required Pass
Discover Pass
Annual: $35.00 · Day: $11.50
Mountain
Mailbox Peak · 4,841 ft · Snoqualmie Region
Avalanche Forecast
Check current avalanche conditions for the Mailbox Peak zone before your trip.
Ready to plan?
Get a full trip report with weather, gear, logistics, and an event draft.