Skip Navigation


  • Monarch Butterflies at a Sanctuary in Mexico

    Winter's Rest

    The monarchs that originated in the Midwest and Eastern U.S. migrate to Mexico. In winter month they can be found on one of 12 mountains.

    Winter Roosts

  • 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

  • 4thgrade

    Federal Recreation Passes

    Passes include the Annual, Senior, Access, Military and 4th grade.


  • SOW archway

    Sense of Wonder Discovery Trail

    Check out the progress of our new visitor center trail and nature play area! Grand Opening to be held on April 22nd (Earth Day)!

  • wildflowers

    Wildflowers for Wildlife Pre-order Form

    Deadline for wildflower sale pre-orders is April 14th, 2017. Some plants for sale and garden tours at the event on May 20.

    Wildflower Sale Pre-order Form

Location / Hours

Location & Hours

Horicon National Wildlife Refuge Headquarters/Visitor Center W4279 Headquarters Rd. Mayville, WI 53933. 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 renovation is nearing completion and our Friends group is in the process of moving into their new bookstore space which should re-open for sales by April 22nd for our Earth Day activities!

Plan Your Visit

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 Use Information

  • Roads, Trails, & Recreation Facility Updates

    The auto tour is currently closed to vehicles - estimated re-opening mid-April. Main Dike Road is currently closed to vehicles - estimated reopening May 1. The majority of floating boardwalk sections have been rebuilt and will be moved back to the trail starting next week. Remaining sections will be removed and rehabbed as well-estimated reopening of the floating boardwalk is July 1. 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.

  • Public Programs and Events

    On refuge and marsh-wide.

    Horicon Marsh Public Programs and Events Spring Summer 2017
  • Birding Information

    March 21 Waterbird Update: Duck and goose numbers are gradually increasing. Viewable species include: Canada geese, mallards, green-winged teal, pintails, shovelers, sandhill cranes, trumpeter swans. Viewing is currently best along Hwy 49 and perimeter roads.

    Waterbird Survey - Horicon NWR
  • Horicon NWR / Fox River NWR Hunt Plan

    Final hunt plan. Regulation changes were submitted to the Federal Register and waiting final approval. Anticipated notification date of August 2017 before new seasons or changes may be implemented. For questions, call 920-387-2658 ext 111.

    Horicon NWR / Fox River NWR Hunt Plan
Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: Mar 15, 2017
Return to main navigation