One of the most scenic and popular natural attractions in the river corridor is Piers Gorge. It contains some of the fastest-moving water in Michigan and Wisconsin. It is not navigable for general canoeing (class IV to V white water), but still offers beautiful scenery and good wildlife viewing from shore. It has become one of the more popular destinations for expert class kayakers in the eastern U.S. An undeveloped foot trail parallels the gorge for ½ to 3/4 of a mile.