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Straight Lake State Park, Polk County, Wisconsin

Geology Hiking Guide for the Ice Age Trail

Ian F. Freeman, Rebecca J. Moore,

and Kent M. Syverson

University of Wisconsin-Eau Claire Department of Geology



Hiking Guides:



Video Guides:


Introduction Video


Stop 1: Boulder Valley


Stop 2: Basalt Outcrop


Stop 3: Glacial Erratic


Stop 4: Tunnel Channel and Till


Stop 5: Kettles and Hummocks


Stop 6: Pitted Outwash Plain


Stop 7 & 8: Moulin Kame and Esker