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Location & Hours

Location & Hours

Green Bay National Wildlife Refuge consists of Hog Island, Plum Island, Pilot Island St. Martin Island, and Rocky Island. The islands are located in Lake Michigan, near Washington Island, off the tip of Wisconsin's Door County Peninsula. The refuge is managed by staff at the Horicon National Wildlife Refuge Complex in Mayville, WI. Contact 920-387-2658 or greenbay@fws.gov. Plum Island is open to public use Memorial Day weekend - Labor Day weekend.

About the Complex

Horicon Leopold Complex

The Green Bay National Wildlife Refuge is part of a complex that includes the Horicon, Fox River, and Gravel Island national wildlife refuges as well as the Leopold Wetland Management District.

Green Bay is managed as part of the Horicon Leopold Complex.

Learn more about the complex 

About the NWRS

National Wildlife Refuge System

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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  

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Public Use Information

  • Plan Your Visit

Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: Mar 28, 2017

Events

  • Birding on the Bay

    Birding on the Bay- bird pictureJanuary 01, 0001

    The U.S. Fish and Wildlife Service will hold a birding event on Plum Island, of the Green Bay National Wildlife Refuge, Saturday and Sunday, June 3-4, 2017. Please use the link below, for additional event details.

    Birding on the Bay
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