Loudon · Merrimack County · NH
Harry-O Circuit is a 1.0-mile trail near Loudon, in Merrimack County, NH. It climbs 44 ft and descends 45 ft, between 564 ft and a high point of 608 ft. The surface is dirt. 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.