June 10, 2020 COVID-19 update. The Horicon Marsh Education and Visitor Center and Explorium located on Highway 28 in Horicon are closed to the public.  This includes restrooms.

Hiking trails will remain OPEN for you to escape to fresh air, but practicing social distancing.

Horicon Marsh is NOT a state or national park. No fees are required to enter.  If you have any questions related to available activities at Horicon Marsh or wildlife updates, please call 920-387-7889. 

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