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  • Excavator

    Water Restored to Cullinan Ranch

    After 100 years of being cut off from bay waters, Cullinan Ranch returns to tidal flow for wetland restoration and wildlife habitat.

    Read more

  • White-crowned Sparrow

    eBird Trail Tracker

    Discover what birds were recently seen at the refuge using the eBird Trail Tracker.

    Recently Seen Birds

  • Sunset Promo

    Refuge Gallery

    View images from San Pablo Bay National Wildlife Refuge

    Photo Gallery

  • Tideline Newsletter

    Tideline Newsletter

    Download the latest issue of the San Francisco Bay National Wildlife Refuge Complex newsletter.

    Tideline Newsletter


Skaggs Island Bicycle Ride and Picnic May 20

Skaggs Island Bike TourMarch 09, 2017

Here's a rare opportunity to tour the 3,300-acre Skaggs Island, a former top secret naval communications site. It is now a part of the San Pablo Bay National Wildlife Refuge and normally closed to the public. The tour includes a 7-mile loop with a few optional spur trails of 0.3 and 0.5 miles. Great for adults and children!

Register here

About the Complex

San Francisco Bay National Wildlife Refuge Complex

Complex Graphic

From sand dunes to salt marsh, from rocky, offshore islands to golden beaches, the San Francisco Bay Refuge Complex offers a glimpse into the biological treasures of the SF Bay & Monterey Bay areas.

San Pablo Bay is managed as part of the San Francisco Bay National Wildlife Refuge Complex.

Learn more about the complex 

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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News & Information

Page Photo Credits — All photos courtesy of USFWS unless otherwise noted., Sunrise/Julie Kahrnoff, White-crowned Sparrow/Michael Lufting, Cullinan Ranch Unit/Aric Crabb, Egret/Aric Crabb, Red-tailed Hawk/Michael Lufting, Avocet Pair/Gregg Aronson, Angler/Aric Crabb, Ruddy Duck/Michael Lufting
Last Updated: Mar 11, 2017
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