Keystone · Pennington County · SD
89-MY is a 0.1-mile trail near Keystone, in Pennington County, SD. It climbs 0 ft and descends 13 ft, between 4,991 ft and a high point of 5,007 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.