San Pablo Bay is a tidal estuary that forms the northern extension of the San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California.

The San Pablo Bay National Wildlife Refuge was established in 1974 to support migratory birds, wetland habitat, and endangered species. The Refuge consists of more than 19,000 acres located along the northern edge of San Pablo Bay in northern California.

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San Pablo Bay is a bay in northern California. It is an estuary , which means that saltwater from the ocean mixes with fresh water from rivers. It is connected to the San Francisco Bay (to the south) and the Carquinez Strait (to the east).

San Pablo Bay National Wildlife Refuge is a 13,190-acre (53.4 km 2) National Wildlife Refuge in California established in 1970. It extends along the northern shore of San Pablo Bay, from the mouth of the Petaluma River, to Tolay Creek, Sonoma Creek, and ending at Mare Island.

The approximately 11,000-acre San Pablo Bay Wildlife Area includes tidal marshes and sloughs, tidal mudflats, shallow water, and other lowland wildlife habitat. The floristics are typically estuarine with cordgrass and pickleweed predominating throughout the lower zonation.

San Pablo Bay is a tidal estuary that forms the northern extension of the San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California. Overview Map

In response to rapidly disappearing wetlands and its prime location within the Pacific Flyway, the San Pablo Bay National Wildlife Refuge was created in 1974 to protect migratory birds, wetland habitat, and endangered species.

The trails at the San Pablo Bay National Wildlife Refuge offer some of the most rewarding and unusual Sonoma County hikes, with wide open spaces just minutes away. With its bay and tidal marsh, mud flats, wetland habitat, and open water, the refuge is an important location on the Pacific Flyway, home to large populations of resident and ...

Located 22 miles north of the Golden Gate, San Pablo Bay National Wildlife Refuge sits like a crescent-shaped cap across the top of the bay between the Petaluma and Napa Rivers. Vast stretches of pickleweed marsh, great rafts of ducks and …