Munising · Alger County · MI
Valley Spur Bike Route 4 (Y) is a 0.2-mile trail near Munising, in Alger County, MI. It climbs 12 ft and descends 0 ft, between 1,010 ft and a high point of 1,023 ft. Mapped for hiking, trail running, ski.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-21. Open the interactive map for routing, weather, and offline use.