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Best of East Bay 2023 - Recreation

Best of East Bay 2023 - Recreation
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Helena mazzarielloClassic rockSibley volcanic regional preserveVolcanic regional preserveEast bayBay areaWildcat faultEast bay regional parks district

Wait, There Was A Volcano in the East Bay Hills?

Learn about the history of our very own Bay Area volcano. The remnants of it are in Sibley Volcanic Regional Preserve in the East Bay hills.

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