Name: Explore Black Diamond Mines Regional Preserve - 9.3 miles, 2300 feet
Start: 2025-04-05T09:00:00-07:00
End: 2025-04-05T14:00:00-07:00

San Francisco Bay Chapter of the Sierra Club

Travel & Outdoor

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Wendy Wason

Anne

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Kate Looby

Michelle Myers

John Huang

Mark Johnsson

Explore Black Diamond Mines Regional Preserve - 9.3 miles, 2300 feet

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San Francisco Bay Chapter of the Sierra Club

Explore Black Diamond Mines Regional Preserve - 9.3 miles, 2300 feet

San Francisco Bay Chapter of the Sierra Club

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