Wisconsin Highway 120

State Trunk Highway 120 (often called Highway 120, STH 120 or WIS 120) is a state highway in the U.S. state of Wisconsin. It runs in north–south in southeast Wisconsin from the Illinois Border near Lake Geneva to south of East Troy. It continues in Illinois as State Route 47.

State Trunk Highway 120 marker

State Trunk Highway 120
Route information
Maintained by WisDOT
Length21.34 mi[1] (34.34 km)
Major junctions
South end IL 47 in Genoa City
  US 12 / WIS 50 in Lake Geneva
North end I-43 in East Troy
Highway system
WIS 119WIS 121

Route descriptionEdit

Northern terminus

WIS 120 is a mostly rural two-lane highway for all except a two-mile (3 km) section of freeway it shares with US Highway 12 on the east side of Lake Geneva.


  • Alpine Valley Resort, Golf Club and Theater
  • Hawks View Golf Club
  • Grand Geneva Resort (formerly the Playboy Club Resort of Lake Geneva)
  • Hillmoor Country Club
  • Big Foot Beach State Park

Major intersectionsEdit

The entire route is in Walworth County.

Town of Linn  IL 47 southContinuation into Illinois
Lake Geneva  WIS 50 westSouthern end of WIS 50 overlap
   US 12 east / WIS 50 east – Chicago, KenoshaNorthern end of WIS 50 overlap; southern end of US 12 overlap
  US 12 west – MadisonNorthern end of US 12 overlap
Springfield  WIS 36 east – Lyons, Burlington
Spring Prairie   WIS 11 to I-43 – Burlington
East Troy  I-43 – Milwaukee, Beloit
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Bessert, Chris. "Wisconsin Highways: Highways 120-129 (Highway 120)". Wisconsin Highways. Retrieved 2007-03-20.