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Interstate State Park

Whatever outdoor activities you enjoy, you'll find that a variety of recreational opportunities await you at Interstate State Park. It's Wisconsin's oldest state park, established in 1900.
Morning light on the St. Croix River

Enjoy the quiet beauty of the St. Croix River in early morning.
DNR Photo

The park has two campgrounds with a total of 85 family campsites, and a primitive group camp that accommodates 60 people. Advance reservations are recommended and also can be made by calling toll-free (888) WI PARKS ((888) 947-2757, TTY (800) 274-7275).


In the spring, fiddleheads gracefully uncurl into ferns.
Photo by Lisa Axell

Park map [PDF 137KB]

Picnic in any of several different areas of the park. Picnic tables and grills are available, as well as open shelters that can be reserved for group picnics.

There are an excellent swimming beach and Beach House at scenic Lake O' the Dalles. A boat launch provides access to the St. Croix River and the interesting rock formations on the Dalles of the St. Croix gorge.

A vehicle admission sticker is required. National Park Service [exit DNR] passes are accepted.
Angle Rock along the St. Croix River

Angle Rock along the St. Croix River.
Photo by Dianne Bryant

Please become a new member of the Friends of Interstate Park or renew your annual membership. Proceeds from all sales and membership dues benefit the friends group, a nonprofit organization that helps support the naturalist program at the park.
How to Get There

locator mapInterstate State Park is in St. Croix Falls, on Wisconsin Highway 35 just 1/2 mile south of U.S. Highway 8. The park is open from 6 a.m. to 11 p.m. every day.

For more information, ask:

Interstate State Park
State Highway 35
P.O. Box 703
St. Croix Falls, WI 54024
(715) 483-3747

Camping: Maureen Yunker
Interpretive programs: Julieann Fox

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