Copper Harbor Rear Range Light

The Copper Harbor Rear Range Light is a historic lighthouse located on the shores of Lake Superior, in Grant Township, Michigan, United States.

History

• The structure was built to serve as part of the Copper Harbor Rear Range Lighthouses system, designed to aid mariners navigating the treacherous waters of the Straits of Mackinac.
• The lighthouse has been designated as a National Historic Landmark, recognizing its importance in the history of maritime navigation and its well-preserved condition.

Architecture

The tower stands at a height of 32 feet (9.8 meters) above the lake's surface and has a focal height of 46 feet (14 meters).

The lighthouse is constructed from cast iron, with a distinctive octagonal shape and a prominent lantern room at its summit.

The building features a characteristic square-shaped base, supporting the tower.

Light Characteristics

The Copper Harbor Rear Range Light emits a fixed white light, visible to mariners from a range of 10 nautical miles (18.5 kilometers).

The light's pattern is a steady, unchanging beam, designed to provide reliable guidance for vessels navigating the area.

Current Status

The lighthouse remains in operation, although it has been automated since its construction.

It is currently managed by the Michigan Historical Museum System, which oversees the preservation and maintenance of the structure.

Location and Accessibility

The Copper Harbor Rear Range Light is situated on US-41, along the shores of Lake Superior, approximately 2 miles (3.2 kilometers) west of the village of Copper Harbor.

The lighthouse can be accessed via a short walkway from the nearby parking area.

Heritage Status

During World War II, the lighthouse played an active role in the war effort, serving as a navigational aid for Allied ships traversing the Straits of Mackinac.

The structure's proximity to the Canadian border also made it an important point of interest for military personnel and intelligence agencies.