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  • Barbara Hysell Monarch Butterfly

    Make Way for Mexico

    Have you noticed groups of monarchs? They are getting ready to migrate and will be arriving at their wintering grounds about Halloween.

    Track Their Journey

  • 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

  • Autumn Open House Nov 12th

    Nov 12 10:00 am-3:00 pm Musical performances by children's artists Ken Lonnquist and Dave Adler at 11:00 and 1:00; nature crafts and more.

Location / Hours

Location & Hours

Horicon National Wildlife Refuge Headquarters/Visitor Center W4279 Headquarters Rd. Mayville, WI 53933 Refuge public use areas are open daily from dawn to dusk. Visitor Center is open 7 days a week during October from 9:00 am - 4:00 pm.

About the Complex

Horicon Leopold Complex

Horicon National Wildlife Refuge is part of a Complex that includes Fox River, Green Bay and Gravel Island National Wildlife Refuges as well as Leopold Wetland Management District.

Horicon is managed as part of the Horicon Leopold Complex.

Learn 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  

Follow NWRS Online


Public Programs / Education

  • Public Programs and Events

    On refuge and marsh-wide.

    Horicon Marsh Public Programs and Events Fall Winter 2016 2017
  • FALL MIGRATION - Waterbirds

    October 26th Waterbird Update: Some of the bird species you might see include shovelers, pintail, wood ducks, wigeon, ruddy ducks, green-winged teal, and mallards, mallards, mallards! (approximately 37,000). Canada goose numbers on this refuge survey (approximately 25,000) and sandhill cranes numbers (approximately 1,000). The best viewing areas on the refuge currently are along the auto tour and the south side of Hwy 49. Small numbers of herons, egrets and shorebirds (Dowitchers, Lesser yellow-legs,dunlin) are still present on the refuge and tundra swans are beginning to move through. Trumpeter swans are still visible near the auto tour and Hwy 49.

    Waterbird Survey - Horicon NWR
Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: Oct 20, 2016
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