Lac La Belle (French: "Lake The Beautiful") is a small unincorporated community in Keweenaw County in the U.S. state of Michigan. The town was originally the site of a for the copper mines of the Keweenaw, specifically the Mendota Mine and the Delaware Mine. Copper-bearing rock was transported from the mines to the stamping plant, where it was processed and loaded onto freighters. The lake contains northern pike, walleye, smallmouth bass, perch, bluegill, sunfish, rock bass, carp and an occasional muskie.