Minnesota State Highway 18

Trunk Highway 18
MN 18 highlighted in red
Route information
Maintained by MnDOT
Length	78.207 mi[2] (125.862 km)
Existed	November 2, 1920[1]–present
Tourist routes	Lake Mille Lacs Scenic Byway
Major junctions
West end	MN 25 in Brainerd
Major intersections	MN 6 at Bay Lake Township US 169 at Garrison MN 47 at Malmo MN 27 / MN 65 near McGrath
East end	MN 23 in Finlayson Township
Location
Country	United States
State	Minnesota
Counties	Crow Wing, Aitkin, Mille Lacs, Pine
Highway system
Minnesota Trunk Highway System Interstate US State Legislative Scenic
← MN 16 → MN 19

Minnesota State Highway 18 (MN 18) is a 78.207-mile-long (125.862 km) highway in east-central Minnesota, which runs from its intersection with State Highway 25 in Brainerd and continues east to its eastern terminus at its intersection with State Highway 23 in Finlayson Township near Askov and Sandstone. The eastern terminus of Highway 18 is less than 1/2 mile west of an interchange with Interstate Highway 35 along Highway 23.

For part of its route (5 miles), Highway 18 runs concurrent with U.S. Highway 169 in Crow Wing and Aitkin counties around the northwest side of Mille Lacs Lake.

Highway 18 also runs together with State Highway 47 for 9 miles (14 km) in Aitkin and Mille Lacs counties around the northeast side of Mille Lacs Lake.