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Find
a Wisconsin state park, forest, recreation area or trail.
Camping opportunities
in state parks and forests.
How to buy
a vehicle admission sticker or state trail pass.
Get Outdoors!
to attend a nature program or event with family and friends.

Interstate Park Nature

As the Ice Age ended, huge glaciers melted and the water carved the deep, steep-walled gorge known as the Dalles of the St. Croix. An 87-acre area around the Dalles is a state natural area.

Cliff shaped like man's head
This rock formation is known as the Old Man of the Dalles.
Photo © Dianne Bryant

Frost action and weathering over the years have formed interesting rock features such as the Old Man of the Dalles.

Be sure to be careful when exploring the rocky areas and rimrocks.

In addition to the Dalles, there are two other state natural areas in the park:

Last revised: Friday September 28 2012