Mount Diablo State Park
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Donner Canyon, Middle, and Falls Trail Loop
Mount Diablo State Park
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Mitchell Rock to Coulter Pines Loop
Mount Diablo State Park
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Chaparral, Manhattan Canyon, Black Diamond Mine and Nortonville Loop
Black Diamond Mines Regional Preserve
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Mitchell Canyon Road and Mitchell Rock to Coulter Pines Loop
Mount Diablo State Park
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Briones Road, Valley, Cresent Ridge and Seaborg Trail Loop
Briones Regional Park