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.
Horicon Marsh Visitor Centers
Horicon Marsh has three visitor centers, one federal, one state and one non-profit.
Three Centers and Friends
Federal Recreation Passes
Passes include the Annual, Senior, Access, Military and 4th grade.
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 for Wildlife
Native plants for sale and native garden tours at the refuge visitor center - May 20th.
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 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
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
Public Use Information
The refuge auto tour is now open to vehicles! Main Dike Road is also open to vehicles as well as hiking/bicycling. Our maintenance crew has made incredible progress by moving all rebuilt sections of the Egret Trail floating boardwalk back to the wetland unit but please remember that it is still under construction! Please avoid walking on the unfinished sections until the trail reopens July 1, 2017. The Hwy 49 viewing area/restrooms will reopen by May 15.
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.
On refuge and marsh-wide.
Horicon Marsh Public Programs and Events Spring Summer 2017
Migration Update: April 19
Species to look for currently include: coots, wigeon, blue-winged teal, gulls, bufflehead, Canada geese, canvasbacks, redheads, gadwall, green-winged teal, lesser scaup, mallards, pintails, shovelers, pied-billed grebes, great blue herons, sandhill cranes and whooping cranes, ring-necked ducks, trumpeter swans, ruddy ducks, wood ducks, red-winged blackbirds, yellow-headed blackbirds, pelicans, terns, lesser yellowlegs, black-necked stilts and black-crowned night herons.
Viewing is currently best along Hwy 49, the refuge auto tour and perimeter roads.
Waterbird Survey - Horicon NWR
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
Originally established for this species, the Refuge supports the largest nesting population of redhead ducks east of the Mississippi River. Thousands use the marsh each year.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Apr 14, 2017