• View of Southern Wisconsin from the Ice Age NST

    Ice Age

    National Scenic Trail Wisconsin

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Did You Know?

This sign designates a trailhead at the Dells of the Eau Claire Park in Marathon County.

The oldest exposed bedrock along the Ice Age Trail occurs at the Dells of the Eau Claire in Marathon County and Grandfather Falls in Lincoln County. In both areas bedrock outcrops have been dated at about 1.8 billion years old.