Horicon National Wildlife Refuge

Over 21,000 acres in size, Horicon National Wildlife Refuge is located on the west branch of the Rock River in southeastern Wisconsin and encompasses the northern two-thirds of Horicon Marsh. Horicon Marsh is a shallow, peat-filled lakebed gouged out by the Wisconsin Glacier about 12,000 thousand years ago. The headwaters of the Rock River, Horicon Marsh is 14 miles long and three-to-five miles wide. Branches of the Rock River, small and intermittent streams, and groundwater springs provide the water resources for the marsh. At 32,000 acres in size, it is the largest freshwater cattail marsh in the United States. In 1990, Horicon Marsh was designated a "Wetland of International Importance" by the Ramsar Convention. It has also been designated as a "Globally Important Bird Area" by the American Bird Conservancy and a unit of the Ice Age National Scientific Reserve.

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Horicon National Wildlife Refuge
Wisconsin

Over 21,000 acres in size, Horicon National Wildlife Refuge is located on the west branch of the Rock River in southeastern Wisconsin and encompasses the northern two-thirds of Horicon Marsh. Horicon Marsh is a shallow, peat-filled lakebed gouged out by the Wisconsin Glacier about 12,000 thousand years ago. The headwaters of the Rock River, Horicon Marsh is 14 miles long and three-to-five miles wide. Branches of the Rock River, small and intermittent streams, and groundwater springs provide the water resources for the marsh. At 32,000 acres in size, it is the largest freshwater cattail marsh in the United States. In 1990, Horicon Marsh was designated a "Wetland of International Importance" by the Ramsar Convention. It has also been designated as a "Globally Important Bird Area" by the American Bird Conservancy and a unit of the Ice Age National Scientific Reserve.

Activities
Auto Touring
Biking
Interpretive Programs
Fishing
Hiking
Hunting
Winter Sports
Visitor Center
Wildlife Viewing
Environmental Education
Photography
920-387-2658
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To reach the refuge office/visitor center from Waupun, go 7 miles east on State Highway 49 and 3.5 miles south on County Road Z. From Milwaukee, take 41 north to the Brownsville exit, go west on Highway 49 and 3.5 miles south on County Road Z. From Madison, take 151 north to Highway 49, go east to County Road Z, go south 3.5 miles. From Fond du Lac, take 151 south to Highway 49, go east to County Z, go south 3.5 miles. We strongly suggest that you consult an atlas or Dodge County map when using these directions.