Duluth South Breakwater Outer Light
The Duluth South Breakwater Outer Light from the northwest | |
| Location | Lake end of south breakwater of the Duluth Ship Canal, Duluth, Minnesota |
|---|---|
| Coordinates | 46°46′48.3″N 92°5′16″W / 46.780083°N 92.08778°W |
| Tower | |
| Constructed | 1874 |
| Foundation | Concrete pier |
| Construction | Brick |
| Automated | 1976 |
| Height | 10.5 m (34 ft) |
| Shape | House with square tower |
| Markings | White with red roof |
| Heritage | National Register of Historic Places listed place |
| Fog signal | Horn |
| Light | |
| First lit | 1901 |
| Focal height | 44 ft (13 m) |
| Lens | Fourth order Fresnel lens |
| Range | 13 nautical miles (24 km; 15 mi) |
| Characteristic | Fixed Green |
Duluth Harbor South Breakwater Outer Light | |
| Area | Less than one acre |
| Architect | Office of the Superintendent of Lighthouses |
| MPS | Light Stations of the United States MPS |
| NRHP reference No. | 16000341 |
| Added to NRHP | June 7, 2016 |
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The Duluth South Breakwater Outer Light is a lighthouse on the south breakwater of the Duluth Ship Canal in Duluth, Minnesota, United States. It forms a range with the Duluth South Breakwater Inner Light to guide ships into the canal from Lake Superior.