• Monarchs roosting at Minnesota Valley NWR by Mara Koenig/USFWS

    Monarchs on the Move

    The monarchs have started their annual migration to Mexico. Each day they find roosting sights along the way. Roosts help reveal their path.

    Report Your Sightings

  • Horicon National Wildlife Refuge Visitor Center

    Horicon Marsh Visitor Centers

    Horicon Marsh has three visitor centers, one federal, one state and one non-profit.

    Three Centers and Friends

  • water bug scooping

    Sense of Wonder Discovery Trail

    Check out the progress of our new visitor center trail and nature play area!

    Sense of Wonder Discovery Trail 2018

  • Ken Lonnquist

    Autumn Open House

    Musical Performances at 11 and 1. Nature crafts and family activities from 10-3. Free. Horicon Refuge Visitor Center.

    Autumn Open House 2018

Public Use Information

Roads, Trails, & Recreation Facility Updates

Main Dike Road is currently OPEN TO VEHICLES. The auto tour off Hwy 49 is currently OPEN TO VEHICLES. Old Marsh Road is currently CLOSED to hiking and bicycling for fall migration (open for hiking and bicycling June through August 7 days per week). The entire refuge opens Dec 1 through March 15th for hiking, bicycling, snowshoeing and cross country skiing. *Weather, maintenance, and management practices (pumping water, prescribed fire) may lead to periodic closures of facilities as needed. Please check website, facebook and or call for updates before your planned visit.

Birding Information

Fall migration is underway. Species to look for currently include: Canada geese, mallards, coots, wigeon, gadwall, pintails, shovelers, sandhill cranes, trumpeter swans, great blue herons, egrets, ruddy ducks, and more. Best viewing areas around the refuge include Hwy 49 and county roads surrounding the marsh, and the refuge auto tour.

Waterbird Survey - Horicon NWR
Location / Hours

Location & Hours

Horicon National Wildlife Refuge Headquarters/Visitor Center W4279 Headquarters Rd. Mayville, WI 53050. Phone: 920-387-2658 Refuge public use areas are open daily from dawn to dusk. Visitor Center - Regular Hours: Monday-Friday, 9:00 am - 4:00 pm. April-November: Monday-Saturday, 9:00 am-4:00 pm (plus Sundays in October). Open July 4,Labor Day and Columbus Day. (Closed all other federal holidays). The visitor center will be open one Saturday per month during the winter months: Jan 12, Feb 9, and Mar 2, 2019. Coot's Corner Bookstore, located within the refuge visitor center is owned and operated by the non-profit Friends of Horicon National Wildlife Refuge. Hours: Monday - Saturday from 11am-3pm during the fall season. For more information, please email fohnwr@yahoo.com.

Plan Your Visit

About the Complex

Horicon Leopold Complex

Horicon National Wildlife Refuge is managed as part of the Horicon Leopold Complex.

Read more about the complex
About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS