Grand Marais Lighthouse Lighthouse
Fl G 4s🇺🇸Minnesota, USInactive
Location & Light Range
About Grand Marais Lighthouse Lighthouse
Constructed in 1886, this lighthouse stands 10 meters tall with a focal height of 15 meters. Its white tower emits a green light. The light characteristic consists of a single white flash. The geographic range of the light is 12 nautical miles. This structure is no longer operational.
Why it matters: The original keeper's house, part of the lighthouse complex, now serves as the primary museum for the Cook County Historical Society, showcasing exhibits on regional history, industry, and culture.
Background
Grand Marais Light is located on the outer end of a breakwater on the shore of Lake Superior in the city of Grand Marais in Cook County, Minnesota, United States. It is located in USCG District 9.
The tower was first lit in 1922 and is still operational.
The original keeper's house on shore is now operated as the main museum of the Cook County Historical Society. The museum features exhibits on area history, industry and culture.Light & Optic
Characteristic Signature
Fl G 4s
- Flash Type
- Flashing
- Light Color
- Green
- Flash Count
- 1 flash
- Interval
- 4s
- Raw Code
- Fl
- Focal Height
- 15m
- Geographic Range
- 12NM
Construction & History
- Year Built
- 1886
- Heritage Status
- 4
References & Identifiers
- Admiralty No.
- LLNR 16615
- Wikipedia
- Read on Wikipedia →
- Wikidata
- Q5594783 →
- OpenStreetMap
- View on OSM →
Tower & Structure
- Tower Height
- 10m
- Tower Color
- white
Location
- City
- Minnesota
- Country
- 🇺🇸US
- Latitude
- 47.7451°
- Longitude
- -90.3381°
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