Mirrormont · King County · WA
Holder Knob Trail is a 1.1-mile moderate trail near Mirrormont, in King County, WA. It climbs 338 ft and descends 345 ft, between 888 ft and a high point of 1,113 ft. Moderate difficulty: calculated from 13% avg grade · 1.1 mi loop, 349 ft climb. The surface is dirt. Mapped for hiking, trail running, mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.