The Iron Snowshoe Trail is one of the largest and best snowmobile trails systems in Wisconsin. Located in central Marinette County, our well groomed trails stretch from the Nicolet National Forest to Crivitz and include the Twin Bridges, High Falls Flowage, Caldron Falls Flowage, Athelstane, Silver Cliff, Thunder Mountain and Crooked Lake areas of northeastern Wisconsin. Trail conditions are updated weekly throughout the season.