Valley View and Mammoth’s Back 2021_MSC event_Photo by Dave Caliebe (66)

Ice Age Trail Alliance, Ice Age National Scenic Trail, Mammoth's Back Preserve, Boardwalk, Dane County, Cross Plains Segment

Volunteers build a 147-foot-long boardwalk along the Cross Plains Segment as the Ice Age Trail travels towards Mammoth’s Back Preserve. Photo by Dave Caliebe.

Volunteers building boardwalk.