Description below from Wisconsin Department of Natural Resources Website
The Cattail State Trail travels for 17.8 miles on a former rail corridor between the communities of Amery and Almena in northwestern Wisconsin. Forests, farmlands, prairies, hills and various wildlife habitats surround the trail, which also passes through the village of Turtle Lake. The trail is maintained and managed by Polk and Barron counties.
The Cattail State Trail is open year-round to a wide-variety of uses. Trail uses include walking, mountain biking,wildlife viewing, horseback riding and snowmobiling. All-terrain vehicles are allowed on the trail year-round. Off-road motorcycles are allowed on the trail year-round in Polk County only.
As a multi-use trail, the Cattail State Trail may bring a number of different users to the trail at the same time. It is important to use good trail etiquette to ensure the enjoyment and safety of all trail users. The trailhead at Amery has rest rooms and picnic areas. Visitors will see lots of wildlife on this old railroad bed with 6 bridges.
The trail is patrolled by local and county law enforcement on ATV. There is one tunnel and five bridges along the trail's path, along with some fencing put up by the Department of Natural Resources.