wxdecoder
KM56

Gunflint Lodge Seaplane Base

Grand Marais, MinnesotaElevation 1,545 ftSeaplane base

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RUNWAYS

Runway detail & declared distances

1 runway · longest 6,000 ft

08W/26W
Dimensions
6,000 x 100 ft
Surface
Water
RWY 08W
RWY 26W

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Gunflint Lodge Seaplane Base is in Grand Marais, Minnesota. Field elevation 1,545 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSeaplane base
ManagerJOHN FREDRIKSON
Manager phone218-388-0501
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAKM56
SectionalGREEN BAY
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)PRINCETON
RegionMinnesota
CountryUnited States
Coordinates48.0854, -90.7504
Distance from city26 NM NW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗KM56 on OurAirports
FREQUENTLY ASKED
Does KM56 have a METAR?
No on-field METAR is issued for KM56. This page uses the nearest reporting station as a reference.
Does KM56 have a TAF?
No TAF is issued directly for KM56. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KM56?
KM56 sits at 1,545 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KM56?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.