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Matthiessen State Park: dogs on trails

Illinois River valley, Illinois

The park's visitor rules say pets must be kept on a leash at all times, and you must clean up after them. No swimming in waterfalls or creeks, and no bikes on the Dells Area trails.

Source: Illinois DNR, Matthiessen State Park. Checked October 27, 2026.

Beaches and walks

Matthiessen Dells trailsDogs on a leash all year