Ontonagon Light
Lighthouse · Ontonagon County, Michigan

Ontonagon Light is a lighthouse in Ontonagon County, Michigan. Michigan has 124 lighthouses on record at Wayfarrow.
It was built in 1866, in the Civil War era, making it the 14th oldest of the 89 in Michigan with a recorded construction date; the tower stands about 34 feet tall (57th tallest of 63 measured in Michigan); it guards Lake Superior; it was deactivated in 1964.
Status check, 2026-11: This 1866 brick lighthouse replaced the first 1853 station; it was decommissioned in 1964 and is now owned by the Ontonagon County Historical Society. Ontonagon Light is listed on the National Register of Historic Places. It stands at 46.8736° N, 89.3186° W.
Key facts
| Current structure built | 1866 |
|---|---|
| Tower height | 34 ft |
| Deactivated | 1964 |
| Body of water | Lake Superior |
| Heritage designation | National Register of Historic Places listed place |
| National Register | Listed |
| Coordinates | 46.87361, -89.31861 |
Nearby places
- Keweenaw Waterway Upper Entrance Lightlighthouse · Houghton County · 40.9 mi
- Keweenaw Waterway Lower Entrance Lightlighthouse · Houghton County · 42.4 mi
- Jacobsville Lighthouselighthouse · Houghton County · 43.3 mi
- Gregoryvilleghost town · Houghton County · 48.7 mi
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wikidata — Wikidata item (CC0)
- National Register of Historic Places — National Register of Historic Places record (public-domain)
- Wikidata — Wikipedia article (linked as a source; text not used) (CC0)
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.