 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 | |||
| ||||
| East end |  WIS 95 west of Alma Center | |||
| Location | ||||
| Country | United States | |||
| State | Wisconsin | |||
| Counties | Buffalo, Trempealeau, Jackson | |||
| Highway system | ||||
| ||||
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.
- ^ Bessert, Chris. "Highways 120–129". Wisconsin Highways. Retrieved March 20, 2007.[self-published source]