Carp River (St. Martin Bay)

Carp River is a 40.2-mile-long (64.7 km) river in Chippewa and Mackinac counties in the U.S. state of Michigan. 21.7 miles (34.9 km) of the river were added to the National Wild and Scenic Rivers System in 1992.

Source: Wikipedia https://en.wikipedia.org/wiki/Carp_River_(Mackinac_County)