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On a hot summer day, minimize your mileage by hiking this gentle but spectacular loop around Mount Diablo's summit.
A geology tour presented by Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Featuring Ken Lavin. Music by Phil Heywood. Photos by Scott Hein and others. Production by Joan Hamilton.
By Joan Hamilton: writer, producer5
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On a hot summer day, minimize your mileage by hiking this gentle but spectacular loop around Mount Diablo's summit.
A geology tour presented by Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Featuring Ken Lavin. Music by Phil Heywood. Photos by Scott Hein and others. Production by Joan Hamilton.