Horicon National Wildlife Refuge

Horicon National Wildlife Refuge makes up the northern two thirds of Horicon Marsh (22,000 acres) and is federally managed by the U.S. Fish and Wildlife Service. It’s an ideal location to view unique spring migrants as well as spectacular concentrations of waterfowl during the fall. The refuge offers 10 miles of hiking trails including a floating boardwalk as well as a 3 mile driving loop. The refuge visitor center, located on Cty Rd. Z (W4279 Headquarters Road, Mayville), offers exhibits, hiking and native gardens. Opportunities are available on the refuge for bicycling, fishing, snowshoeing and cross country skiing. Education programs are available for the public as well as privately scheduled groups.

Hours of Operation

Refuge and visitor center are open year-round. April - November: Monday through Saturday, 9 am - 4 pm. Month of October includes Sundays 9 am - 4 pm. The visitor center is open July 4, Labor Day and Columbus Day but closed all other federal holidays. December - March: Monday through Friday, 9am-4pm (closed Christmas Eve and New Year's Eve). The center is also open one Saturday per month during winter – check website for current dates.


The visitor center is located on the east side of Horicon Marsh, 3.5 miles south of State Highway 49 on County Road Z.


  • Disabled Access

Cross-Country Skiing/Snowshoeing Trail Type

  • Flat
  • Open
  • Wooded