Presque Isle Harbor · Alpena County · MI
Old Grade Road is a 0.6-mile white trail near Presque Isle Harbor, in Alpena County, MI. It climbs 30 ft and descends 5 ft, between 599 ft and a high point of 626 ft. The surface is asphalt. 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.