Lowell · Middlesex County · MA
Green Birdhouse Loop is a 1.0-mile intermediate (blue) trail near Lowell, in Middlesex County, MA. It climbs 134 ft and descends 85 ft, between 127 ft and a high point of 249 ft. 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.