Wisconsin Highway 121

State Trunk Highway 121
Route information
Maintained by WisDOT
Length	45.07 mi (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 in 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

State Trunk Highway 121 (often called Highway 121, STH 121 or WIS 121) is a state highway in the U.S. state of Wisconsin. It runs in east–west in west-central Wisconsin from Gilmanton to Alma Center.

Major intersections

County	Location	mi	km	Destinations	Notes
Buffalo	Gilmanton			WIS 88 – Mondovi, Fountain City
Trempealeau	Town of Burnside			WIS 93 north – Eleva	Western end of WIS 93 overlap
	Independence			WIS 93 south – Arcadia	Eastern end of WIS 93 overlap
	Whitehall			US 53 south – Ettrick	Western end of US 53 overlap
	Pigeon Falls			US 53 north – Osseo	Eastern end of US 53 overlap
Jackson	Northfield			I-94 – Eau Claire, Madison
	Town of Garden Valley			WIS 95 – Alma Center, Merrillan, Hixton
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus