Horicon National Wildlife Refuge

32,000 acres of prime avian habitat with 223 species of birds. An ideal location to view spring and fall migrations; fall is the best time to view the spectacular concentration of Canada geese. The U.S. Fish and Wildlife Service manages the northern two-thirds of the marsh (21,417 acres) including two trail systems open year-round for hiking, wildlife observation and X-C skiing in winter, and the 3.2-mile TernPike auto tour route open to vehicles April 15 to Sept 15. Visitor center, Environmental Education barn, fishing sites, and bird hikes available. Floating boardwalk offers access to persons with disabilities. School field trips and group tours welcome.

Hours of Operation

Visitor Center open Mon-Fri 7:30am-4pm, and weekends Sept-Oct (call for hours).


Visitor center located 3 miles north of Mayville; Cty Y to Cty Z to Headquarters Rd.


  • Disabled Access

Cross-Country Skiing/Snowshoeing Trail Type

  • Flat
  • Open
  • Wooded