Columbia Park is a 19-acre county park located on Lake Winnebago at N10340 Calumet Harbor Rd., Malone--about ten miles northeast of Fond du Lac.

A 4-slip marina is available for annual rentals, along with overnight docking for another 40-50 boats on 900 feet of harbor wall. Six boat launches and parking for 100 cars and trailers are also available.

20 sites are located north of the Grandstand Area of the Fond Du Lac County Fairgrounds.

Swimming is available at the FDL Aquatic Center.

Waupun County Park is the second largest county park at 103 acres. It is located at 825 County Park Road (also known as County Highway MMM), on the northwest edge of the City of Waupun.

The park contains a wooded 42 unit public campground, with electrical hookups, restrooms, and showers. Other facilities include playground equipment, two open-air picnic shelters, one enclosed shelter, disc golf and a baseball field. There is also a swimming facility operated by the City of Waupun on property adjacent to the county park.