Vernonia · Washington County · OR
Greenhorn Trail (upper) is a 0.3-mile expert (double black) trail near Vernonia, in Washington County, OR. It climbs 18 ft and descends 188 ft, between 1,198 ft and a high point of 1,368 ft. The surface is ground. Mapped for mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.