Wisconsin Highway 121
WIS 121 highlighted in red | ||||
| Route information | ||||
| Maintained by WisDOT | ||||
| Length | 45.07 mi (72.53 km) | |||
| Major junctions | ||||
| West end | WIS 88 in Gilmanton | |||
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| East end | WIS 95 west of Alma Center | |||
| Location | ||||
| Country | United States | |||
| State | Wisconsin | |||
| Counties | Buffalo, Trempealeau, Jackson | |||
| Highway system | ||||
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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.