Copper Harbor is a small unincorporated community in northeastern Keweenaw County in the U.S. state of Michigan. It is within Grant Township on the Keweenaw Peninsula that juts from the Upper Peninsula of Michigan into Lake Superior. More
Copper Harbor is a small unincorporated community in northeastern Keweenaw County in the U.S. state of Michigan. It is within Grant Township on the Keweenaw Peninsula that juts from the Upper Peninsula of Michigan into Lake Superior.