State Trunk Highway 121 (often called Highway 121, STH-121 or WIS 121) is a 45.07-mile (72.53 km) state highway in Buffalo, Trempealeau, and Jackson counties in the west-central area of the US state of Wisconsin that runs east–west from Gilmanton to near Alma Center.

Quick Facts State Trunk Highway 121, Route information ...

State Trunk Highway 121
WIS 121 highlighted in red
Route information
Maintained by WisDOT
Length	45.07 mi[1] (72.53 km)
Major junctions
West end	WIS 88 in Gilmanton
Major intersections	US 53 in Whitehall US 53 in Pigeon Falls I-94 in Northfield
East end	WIS 95 west of Alma Center
Location
Country	United States
State	Wisconsin
Counties	Buffalo, Trempealeau, Jackson
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 120 → WIS 122

Close

Starting at WIS 88 in Gilmanton, WIS 121 starts to travel eastward, passing through Lookout and Russell. Then, WIS 121 turns south along WIS 93. In Independence, WIS 121 leaves eastward away from WIS 93. Then, in Whitehall, WIS 121 begins to run concurrently with US Highway 53 (US 53). They then pass through Coral City. Then, in Pigeon Falls, WIS 121 branches eastward, passing through York and Northfield. In Northfield, it then meets Interstate 94 (I-94) at a diamond interchange. Continuing further east, WIS 121 then ends at WIS 95 west of Alma Center.^[2]

•  U.S. Roads portal