| Grand Marais/Cook County Seaplane Base | |
| Faa: | 0G5 |
| Type: | Public |
| Owner: | Cook County |
| City-Served: | Grand Marais, Minnesota |
| Elevation-F: | 1,635 |
| Elevation-M: | 498 |
| Coordinates: | 47.8167°N -113°W |
| Website: | www.boreal.org/airport/ |
| Pushpin Map: | USA Minnesota#USA |
| Pushpin Relief: | yes |
| Pushpin Map Caption: | Location of airport in Minnesota |
| Pushpin Label: | 0G5 |
| Pushpin Label Position: | left |
| R1-Number: | 9/27 |
| R1-Length-F: | 15,000 |
| R1-Length-M: | 4,572 |
| R1-Surface: | Water |
| R2-Number: | 3/21 |
| R2-Length-F: | 3,000 |
| R2-Length-M: | 914 |
| R2-Surface: | Water |
| Stat-Year: | 2003 |
| Stat1-Header: | Aircraft operations |
| Stat1-Data: | 550 |
| Footnotes: | Source: Federal Aviation Administration[1] |
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.
It is located on the shore of Devil's Track Lake and was formerly part of Devil's Track Municipal Airport (FAA: GRM). That airport had a runway which closed after the opening of Grand Marais/Cook County Airport (FAA: CKC), located one mile (1.6 km) to the north.[2]
Grand Marais/Cook County Seaplane Base covers an area of 6acres at an elevation of 1,635 feet (498 m) above mean sea level. It has two seaplane landing areas: 9/27 is 15,000 x 1,500 feet (4,572 x 457 m) and 3/21 is 3,000 x 2,000 feet (914 x 610 m). For the 12-month period ending August 31, 2003, the airport had 550 general aviation aircraft operations, an average of 46 per month.