Hancock · Houghton County · MI
Gravity Line is a 0.3-mile trail near Hancock, in Houghton County, MI. It climbs 75 ft and descends 72 ft, between 699 ft and a high point of 761 ft. Mapped for mountain biking.
All Houghton County trailsHoughton County mountain bikingMI trails
Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-26. Open the interactive map for routing, weather, and offline use.