Riverpoint · King County · WA
Mailbox Peak Old Trail is a 4.1-mile hard trail near Riverpoint, in King County, WA. It climbs 141 ft and descends 4,142 ft, between 847 ft and a high point of 4,849 ft. Hard difficulty: calculated from 20% avg grade · 8.1 mi round trip, 4,296 ft climb. Mapped for hiking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.