Sudden Valley · Whatcom County · WA
Stimpson Main Loop is a 2.4-mile trail near Sudden Valley, in Whatcom County, WA. It climbs 682 ft and descends 682 ft, between 518 ft and a high point of 801 ft. The surface is ground. Mapped for hiking, trail running.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.