Native Americans have lived in the greater Bay Area for thousands of years. Black Diamond was located in the backcountry between three tribes: Chupcan (Concord), Volvon (Clayton) and Ompin (Pittsburg). All three nations ...
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Feb 4, 2009
Hiking
Black diamond trial early morning hike
9/21/23, 9:34 AM
11/5/23
Nice hike good loop
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