Prince Frederick · Calvert County · MD
Swamp Boardwalk is a 0.3-mile trail near Prince Frederick, in Calvert County, MD. It climbs 47 ft and descends 46 ft, between 2 ft and a high point of 27 ft. The surface is wood. 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.