Greenwater · King County · WA
Grass Mountain Trail is a 3.4-mile trail near Greenwater, in King County, WA. It climbs 999 ft and descends 2,043 ft, between 3,487 ft and a high point of 4,580 ft. 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.