The Copper Harbor Light is a lighthouse located in the harbor of Copper Harbor, Michigan USA on the Keweenaw Peninsula of Upper Michigan inside Fort Wilkins Historic State Park. It is a Michigan State Historic Site and listed on the National Register of Historic Places. History The Copper Harbor Lighthouse was built on the tip of the eastern point of land that hugs the harbor. The lighthouse aided in the transport of copper from the Upper Peninsula. Ships carrying immigrants, supplies, and equ…