Big Powderhorn Mountain
Summit in Gogebic County, Michigan · on the USGS Copper Peak quadrangle
46.50339, -90.09576
Maps that show Big Powderhorn Mountain
Get them in the map app
Copper Peak, MI
Detailed map of terrain, trails and roads
USGS topo, 2023

North Ironwood, MI
Old map for history, not navigation
USGS historical 15-minute topo (1956)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-14 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).