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Copper Harbor Light

Lighthouse · Keweenaw County, Michigan

Copper Harbor Light, Michigan
· Wikimedia Commons · Public domain

Copper Harbor Light is a lighthouse in Keweenaw County, Michigan. Michigan has 124 lighthouses on record at Wayfarrow, 12 of them in Keweenaw County.

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; its light sits 89 feet above the water; the light characteristic is recorded as Fl G 6s (a green flash every 6 seconds), with a range of about 18 nautical miles; it guards Lake Superior; the structure is built of brick.

Status check, 2026-11: The 1848 stone tower was taken down and replaced by the 1866 brick tower-and-house lighthouse (the record's 1848 is wrong for the current structure). Since 1933 the active light has been on a nearby steel skeleton tower. Height is not well confirmed, so it is left null. Copper Harbor Light is listed on the National Register of Historic Places. It stands at 47.4745° N, 87.8603° W.

Key facts

Current structure built1866
Focal height89 ft
Light characteristicFl G 6s
Range18 nautical miles
Body of waterLake Superior
Materialbrick
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates47.47450, -87.86030

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Nearby places

Questions

Where is Copper Harbor Light?

Copper Harbor Light is in Keweenaw County, Michigan, at 47.4745, -87.8603.

How many lighthouses are in Keweenaw County?

Keweenaw County, Michigan has 12 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.