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PAID · TOUR

Black Diamond Mines Regional Preserve

Name: Black Diamond Mines Regional Preserve
Address: Bay Area, CA, US

6,000-acre preserve with coal and sand mine history, Greathouse Visitor Center and guided mine tours

COST

Paid Paid (Parking $5 weekends/holidays; mine tours extra)

📍 Antioch

🕑 Year-round

Official source ↗ · Last checked 2026-11-07

HOW WE VERIFIED

We opened the official page on 2026-11-07, confirmed the name matched, and kept the listing only when the page was live. Hours and prices change — always confirm on the official source before you go. How we verify

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