Cuivre River

The Cuivre River is a 41.6-mile-long (66.9 km) river in the east central part of the state of Missouri, north of the Missouri River terminus. A good part of its course marks the borders between Lincoln and St. Charles counties before emptying into the Mississippi River north of St. Louis. The Cuivre River State Park near Troy has its southwestern borders on the river. The river is declared not to be a navigable stream.