Minnesota State Highway 172 (MN 172) is a highway in far northern Minnesota, which runs from its intersection with State Highway 11 at Baudette and continues north to its northern terminus in Wheeler's Point at the Lake of the Woods.The route is 12 miles (19 km) in length and passes through the community of Hackett.Highway 172 generally follows the Rainy River from Baudette to the Lake of the Woods.