Upper PeninsulaUpper Peninsula
NW section of Mich., a peninsula separated from the rest of the state by the Straits of Mackinac: 16,538 sq mi (42,833 sq km)
The northern part of Michigan between Lakes Superior and Michigan. It is separated from the Lower Peninsula by the Straits of Mackinac.
- The northern of the two peninsulas that make up the US state of Michigan.