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  • Monarchegg218x116

    Monarchs are back

    Monarch butterflies are returning to our region in search of milkweed to lay their eggs on. Keep a sharp eye out and you might just see one!

    Welcome Home Monarchs

  • Steve Lenz

    See Horicon/Leopold Complex manager's perspective

    Manager's Perspective

  • One Marsh, Three Centers

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

    Three Centers and Friends

  • Refuge National Map

    Check out details of Refuges across the United States. Set the zoom for detail.

    National Refuge System

Location and Hours, Mayville, WI

Hours and Location

The Refuge visitor center is open year-around.


About the Complex

Horicon Leopold Complex

Horicon National Wildlife Refuge is part of a Complex that includes three other refuges and one 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

Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: Jun 18, 2015
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