Grand Marais/Cook County Seaplane Base
Daylight today(Jul 22, 2026, local time)
About 15h 24m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Grand Marais/Cook County Seaplane Base
Grand Marais/Cook County Seaplane Base is a county-owned, public-use seaplane base located seven miles (11 km) northwest of the central business district of Grand Marais, a city in Cook County, Minnesota, United States.
Summary from Wikipedia licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 09 / 27 | 15,000 ft / 4,572 m | 1500 ft | Water | Unlit | Open |
| 03 / 21 | 3,000 ft / 914 m | 2000 ft | Water | Unlit | Open |
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SNOOPY WEST BY NOTAM | Special use | Danger | 6000 ft MSL | FL180 |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Grand Marais/Cook County Seaplane Base.
Frequently asked questions
Where is Grand Marais/Cook County Seaplane Base located?
Grand Marais/Cook County Seaplane Base is seaplane base located in Grand Marais, United States, at an elevation of 1,635 ft (498 m).
How many runways does Grand Marais/Cook County Seaplane Base have?
Grand Marais/Cook County Seaplane Base has 2 runways, the longest being 15,000 ft / 4,572 m.
What time zone is Grand Marais/Cook County Seaplane Base in?
Grand Marais/Cook County Seaplane Base is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Grand Marais/Cook County Seaplane Base?
The magnetic variation (declination) at Grand Marais/Cook County Seaplane Base is approximately 2.7° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Grand Marais/Cook County Seaplane Base?
The nearest airport to Grand Marais/Cook County Seaplane Base is Grand Marais Cook County Airport (GRM), about 0.7 nm to the n, followed by Martin's Landing and Kakabeka Falls Airport.
Is the information on this page suitable for flight planning?
No. Grand Marais/Cook County Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.