At the end of the Ice Age, about 10,000 years ago, glaciers retreated from North America and left behind a chain of moraine hills that defined their southern edge. In Wisconsin these hills zig-zag across the state for 1,000 miles from Lake Michigan to the Saint Croix River. A trail among these hills was conceived by Ray Zillmer in the 1950s and publicized by Rep. Henry Reuss in his book, On the Trail of the Ice Age. With help from the State of Wisconsin and the Ice Age Park and Trail Foundation, almost half of the trail is now open. Certain sections feature marathons and ski races.
The Ice Age National Scenic Trail is administered by the National Park Service.
Address: Ice Age NST, 700 Rayovac Drive, Suite 100, Madison, WI
Web Page: www.nps.gov/iatr/index.htm
Volunteer-based organization for the IAST: Ice Age Park & Trail Foundation
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