Itasca State Park is a state park in Minnesota, United States, and contains the headwaters of the Mississippi River. The park spans 32,690 acres (132 km²) of northern Minnesota, and is located about 21 miles (34 km) north of Park Rapids, Minnesota and 25 miles (48 km) from Bagley, Minnesota. The park is part of Minnesota's Pine Moraines and Outwash Plains Ecological Subsection and is contained within Clearwater, Hubbard, and Becker counties.