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Gunflint Lodge Seaplane Base serves Grand Marais, US.
AirportRoutes · updated Feb 16, 2026
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Common questions about KM56
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Where is Gunflint Lodge Seaplane Base located?
Gunflint Lodge Seaplane Base is located in Grand Marais, US, at an elevation of 1545 ft. Its IATA code is — and ICAO code is KM56.