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  • Union Slough Haying applications

    Union Slough NWR is accepting bids for haying until July 21st. Click the link below for more information on how to bid.

    2016 Union Slough haying applications and maps

  • Auto Tour Photo

    Auto Tour Route Reopens Aug 1st

    The 4.5 mile Auto Tour Route is currently closed for the nesting season. It will reopen Aug 1-Sept 23 from sunrise to sunset.

  • Friends Kid Rotator

    Friends of Union Slough

    Join the Friends of Union Slough National Wildlife Refuge!

    Friends Brochure

  • PFFW Logo rotator cropped

    Partners for Fish and Wildlife Program

    Are you looking to improve or create wildlife habitat on your privately-owned land?

    Click here to learn more

  • Barbara Hysell Monarch Butterfly

    It Is Peak Breeding Season!

    Are you seeing eggs and caterpillars in your area? You can help scientists by reporting your sightings.

    Report your sightings to Journey North

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  

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Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: Jul 11, 2016
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