Ontonagon Harbor Lighthouse

The Beacon at the End of the Pier For more than a century, mariners entering the Ontonagon River relied on a small lighthouse standing at the end of a long pier extending into Lake Superior. Known today as the Ontonagon Harbor Lighthouse or Ontonagon Harbor West Breakwater Lighthouse, the beacon’s history is closely tied to the development of Ontonagon Harbor itself. Unlike many lighthouses built…