https://youtu.be/8POt9PJMa2w The Dumbarton Bridge is the southernmost of the highway bridges across San Francisco Bay in California. Carrying over 70,000 vehicles and about 118 pedestrian and bicycle crossings daily (384 on weekends), it is the shortest bridge across San Francisco Bay at 1.63 miles (8,600 ft; 2,620 m). Its eastern end is in Fremont, near Newark in the San Francisco Bay National ..

https://youtu.be/TcsQ852dN5g Find your next adventure . The Don Edwards San Francisco Bay National Wildlife Refuge is located in south San Francisco Bay, California. One of the largest urban refuges in the United States, it is an island of wildlife habitat in a burgeoning metropolitan area of 7 million people. The refuge consists primarily of tidal marsh, salt ponds, mud flats, and seasonal wetl..