Wayfarrow

Duluth South Breakwater Outer Light

Lighthouse · St. Louis County, Minnesota

The south pier lighthouse and fog signal building in Duluth is quite a striking building. It still uses the original fresnel lens. The ship in the distance is a
The south pier lighthouse and fog signal building in Duluth is quite a striking building. It still uses the original fresnel lens. The ship in the distance is a · Pete Markham from Loretto, USA / Wikimedia Commons · CC BY-SA 2.0

Duluth South Breakwater Outer Light is a lighthouse in St. Louis County, Minnesota. Minnesota has 9 lighthouses on record at Wayfarrow, 4 of them in St. Louis County.

It was built in 1901, in the early 20th century, making it the 3rd oldest of the 8 in Minnesota with a recorded construction date; its light sits 43 feet above the water; the light characteristic is recorded as F G (a steady light), with a range of about 13 nautical miles; it guards Lake Superior.

Status check, 2026-11: The 1874 wooden tower was replaced by the current brick fog-signal building and tower, first lit in 1901; height is left null because sources disagree (34 ft, 44 ft, or an 11.5-ft tower on the building). Duluth South Breakwater Outer Light is listed on the National Register of Historic Places. It stands at 46.7801° N, 92.0875° W.

Key facts

Current structure built1901
Focal height43 ft
Light characteristicF G
Range13 nautical miles
Body of waterLake Superior
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates46.78010, -92.08750

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Nearby places

Questions

Where is Duluth South Breakwater Outer Light?

Duluth South Breakwater Outer Light is in St. Louis County, Minnesota, at 46.7801, -92.0875.

How many lighthouses are in St. Louis County?

St. Louis County, Minnesota has 4 lighthouses on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.