MN 9 serves as a north–south and east–west route between New London, Benson, Morris, Breckenridge, Barnesville, Ada, and Crookston in west-central and northwest Minnesota.

The park entrance is located off MN 9 via County Road 95 (CR 95).

[2] A portion of the route passes through the Red River Valley region in northwest Minnesota.

The southern terminus for MN 9 is its second intersection with US 75, immediately north of Breckenridge.

The northern terminus for the route is its intersection with US 2 in Fairfax Township, immediately east of Crookston in northwest Minnesota.