Southwest of Milwaukee, there are miles of snowmobile trails throughout Rock County. The trail system is maintained by the Rock County Alliance Of Snowmobile Clubs.
While snowmobiling Rock County, the state of Wisconsin requires that all snowmobiles display a Wisconsin snowmobile registration decal. For non-residents, if the snowmobile is registered in another state, then they can purchase a non-resident snowmobilie trail pass.
Overall, Rock County is the 24th most popular snowmobile trail of all 29 snowmobiling rides in Wisconsin.