.jpg) The Duluth South Breakwater Inner Light from the southwest | |
 | |
| Location | South Breakwater, south pier of the Duluth Ship Canal, Duluth, Minnesota |
|---|---|
| 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]
- ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ Light List, Volume VII, Great Lakes (PDF). Light List. United States Coast Guard. 2012. p. 150.
- ^ "Historic Light Station Information and Photography: Minnesota". United States Coast Guard Historian's Office. Archived from the original on 2017-05-01.
- ^ Pepper, Terry (2007-12-02). "Duluth Rear Range Light". Seeing the Light: Lighthouses of the western Great Lakes. Retrieved 2019-04-20.
- ^ Hyde, Charles K. (1979-07-02). "HAER Inventory: Duluth South Breakwater Inner (Duluth Rear Range) Lighthouse". Historic American Engineering Record. Retrieved 2019-04-20.