M56 — Gunflint Lodge Seaplane Base, Grand Marais, MN

Non-ToweredGrand Marais, MN • ICAO: KM56 • 1,545' MSL

M56 WeatherLive METAR & TAF

Wind Component

M56 has 1 runway. The longest is 8W/26W at 6,000 ft × 100 ft (water).

8W/26WNo runway lights6,000 ft × 100 ftWater

FAA NASR data, cycle 2026-09-03

M56 field elevation is 1,545 ft MSL. The standard traffic pattern altitude at M56 is 2,550 ft MSL (1,000 ft AGL).

Field elevation1,545 ft MSL

Pattern altitude2,550 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check KM56 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, M56 is a non-towered airport.

M56 has 1 runway (8W/26W). The longest runway is 6,000 feet.

M56 uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,550 feet MSL at a field elevation of 1,545 feet.

M56 (Gunflint Lodge Seaplane Base) has a field elevation of 1,545 feet MSL.

M56 (Gunflint Lodge Seaplane Base) is located in Grand Marais, MN.