Grena Lake
Lake in Otter Tail County, Minnesota · on the USGS Lake Olaf quadrangle
46.54677, -96.17464
Maps that show Grena Lake
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Lake Olaf, MN
Detailed map of terrain, trails and roads
USGS topo, 2022
Pelican Rapids, MN
Old map for history, not navigation
USGS historical 15-minute topo (1914)
Pelican Rapids, MN
Old map for history, not navigation
USGS historical 15-minute topo (1917)
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).