Duluth South Breakwater Inner Light
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 |
| Added to NRHP | August 4, 1983 |
![](https://en.wikipedia.org/wiki/Https://quickstatements.toolforge.org/#/v1=Q5313522|P31|Q39715||Q5313522|P625|@46.778722/-92.092028|S143|Q328||Q5313522|P729|+1889-00-00T00:00:00Z/9|S143|Q328||Q5313522|P793|Q24410992|P585|+1976-00-00T00:00:00Z/9|S143|Q328||Q5313522|P2048|70_ftU11573|S143|Q328||Q5313522|P2923|68_ftU11573|S143|Q328||Q5313522|P18|"Duluth_South_Pier_Inner_Range_Light_(7564441122).jpg"|S143|Q328|P2096|en:"The_Duluth_South_Breakwater_Inner_Light_from_the_southwest"){kind=link}
The Duluth South Breakwater Inner 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 Outer Light to guide ships into the canal from Lake Superior. The current structure was built from 1900 to 1901.