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    2017 Annual Report

    Check out the 2017 Annual Report for the only International Wildlife Refuge in North America!

    2017 Annual Report

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    Grassy Island Update 2017

    Read about the 2017 Grassy Island Update.

    Grassy Island Update 2017

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    The Monarchs Have Arrived

    The northern states started logging reports of adult monarchs in late May. Watch you milkweeds for caterpillars & report your sightings!

    Report Your Milkweed, Monarch, Egg, and Caterpillar Sightings

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    Byways to Flyways

    Habitat and wildlife found along the Detroit River and Western Lake Erie offer world class opportunities for birding enthusiasts!

    Get Started


Refuge Units that are OPEN for visitation!


The Fix, Strong and Gibraltar Bay units are OPEN to self guided exploration. Get out there and enjoy!

Directions to Refuge Units that are open to the public

Detroit River HawkWatch 2017 Summary


The Detroit River HawkWatch 2017 Season Summary is available for viewing.

2017 HawkWatch Summary

Detroit River IWR Urban Video

Humbug for August 1 2015 Open House

The Detroit River International Wildlife Refuge is proud to be a part of an incredible network of lands that allow wildlife a place to live and people a place to connect.

Refuge Video

Construction Update

Visitor Center Construction May 2016

Both the visitor center and boat dock/fishing pier are still under construction. We expect both will be finished in spring 2018. At this time, there is no public entry allowed. Keep checking back as we will update this site as soon as construction is completed.

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