Flowing from the highlands of northern Wisconsin and central Minnesota to the St. Croix's juncture with the Mississippi River just s.e. of Minneapolis-St. Paul, the St. Croix National Scenic Riverway is a 255-mile river reserve. The Upper St. Croix River and its tributary, the Namekagon River, were among the original eight rivers designated as National Wild and Scenic Rivers in 1968. Four years later the Lower St. Croix River from St. Croix Falls to Prescott was added to the system by Congress. Learn More...