Rock Island
Island in Cook County, Minnesota · on the USGS Good Harbor Bay quadrangle
47.72739, -90.41039
Maps that show Rock Island
Get them in the map app
Good Harbor Bay, MN
Detailed map of terrain, trails and roads
USGS topo, 2022
Good Harbor Bay
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Grand Marais, MN
Old map for history, not navigation
USGS historical 15-minute topo (1919)
Superior National Forest
Forest Service forest map
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).