A tunnel with rough rock walls and a concrete path.

Black Diamond Mines Regional Preserve hotel guide. Independent hotel in Black Diamond Mines Regional Preserve, California

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3 Jul - 5 Jul
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10 Jul - 12 Jul
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Top Black Diamond Mines Regional Preserve Hotel Reviews

Embassy Suites by Hilton Walnut Creek

Embassy Suites by Hilton Walnut Creek

10/10 Excellent
"Good it was okey"
Lilian 1-night trip
Posted 1 hour ago
Embassy Suites by Hilton Walnut Creek