Alameda Creek running through Sunol Wilderness Regional Preserve in California.

Chinook salmon are once again populating an upper part of the largest local tributary of the San Francisco Bay, thanks to the recent completion of a multiyear fish passage and restoration project. 

Fish biologists and environmental consultants documented two Chinook salmon in the upper Alameda Creek watershed on Nov. 19, nonprofit California Trout announced on Tuesday. Earlier that week, volunteers photographed almost a dozen of the fish in lower Niles Canyon, the Alameda Creek Alliance wrote in a Nov. 18 news release. 

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According to CalTrout, this is the first........

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