Location | South Breakwater, south pier of the Duluth Ship Canal, Duluth, Minnesota |
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Coordinates | 46°46′43.4″N 92°5′31.3″W / 46.778722°N 92.092028°W |
Tower | |
Constructed | 1889 |
Foundation | Concrete pier (current) |
Construction | Steel/cast iron |
Automated | 1976 |
Height | 70 ft (21 m) |
Shape | Skeletal tower |
Markings | Black with white lantern |
Heritage | National Register of Historic Places listed place |
Light | |
First lit | 1889 (first tower) 1901 (current tower) |
Focal height | 68 ft (21 m) |
Lens | Fourth order Fresnel lens |
Range | 15 nmi (28 km; 17 mi) |
Characteristic | Fl W 5s |
Duluth South Breakwater Inner (Duluth Range Rear) Lighthouse | |
Area | 0.3 acres (0.12 ha) |
MPS | U.S. Coast Guard Lighthouses and Light Stations on the Great Lakes TR |
NRHP reference No. | 83000945[1] |
Added to NRHP | August 4, 1983 |
The Duluth South Breakwater Inner Light is a lighthouse on the south breakwater of the Duluth Ship Canal in Duluth, Minnesota, United States.[2][3][4] It forms a range with the Duluth South Breakwater Outer Light to guide ships into the canal from Lake Superior. The current structure was built from 1900 to 1901.[5]