• Documentaries
  • Diablo's Door
  • San Benito County
  • Fire, Drought, Rain, and Hope
  • The Long Game
  • The Coyote Valley Connection
  • Condor Country
  • Native to Right Here
  • A Brief History of Mount Diablo State Park
  • Diablo Range Revealed
  • Return of the Pine Canyon Peregrines
  • Harvest of Fire
  • Introducing Mount Diablo
  • Portraits of Places
  • The Falls Trail
  • Morgan Territory
  • Rock City
  • Plants of Twin Peaks
  • Black Diamond Mines
  • Trail Through Time
  • A Geology Tour on the Mary Bowerman Trail
  • Mitchell Canyon
  • Perkins Canyon
  • Los Vaqueros
  • Curry Point
  • Lime Ridge
  • Round Valley
  • Grand Loop
  • Portraits of People
  • Botanist Mary Bowerman
  • Conservationist Seth Adams
  • EBRPD's Robert Doyle
  • EBRPD's Hulet Hornbeck
  • Morgan Territory's Manfred Lindner
  • Naturalist Michael Marchiano
  • Park Supervisor Roger Epperson
  • Photographer Bob Walker
  • Trailblazer George Cardinet
About Audible Mount Diablo
Audible Mount Diablo Index
About the Producer
Audible Mount Diablo
  • Documentaries
  • Diablo's Door
  • San Benito County
  • Fire, Drought, Rain, and Hope
  • The Long Game
  • The Coyote Valley Connection
  • Condor Country
  • Native to Right Here
  • A Brief History of Mount Diablo State Park
  • Diablo Range Revealed
  • Return of the Pine Canyon Peregrines
  • Harvest of Fire
  • Introducing Mount Diablo
  • Portraits of Places
  • The Falls Trail
  • Morgan Territory
  • Rock City
  • Plants of Twin Peaks
  • Black Diamond Mines
  • Trail Through Time
  • A Geology Tour on the Mary Bowerman Trail
  • Mitchell Canyon
  • Perkins Canyon
  • Los Vaqueros
  • Curry Point
  • Lime Ridge
  • Round Valley
  • Grand Loop
  • Portraits of People
  • Botanist Mary Bowerman
  • Conservationist Seth Adams
  • EBRPD's Robert Doyle
  • EBRPD's Hulet Hornbeck
  • Morgan Territory's Manfred Lindner
  • Naturalist Michael Marchiano
  • Park Supervisor Roger Epperson
  • Photographer Bob Walker
  • Trailblazer George Cardinet
About Audible Mount Diablo
Audible Mount Diablo Index
About the Producer

Trail Through Time

A 6.3-mile trek through 190 million years of geologic history on California's Mount Diablo. Sponsored by Mount Diablo Interpretive Association.

Featuring Ken Lavin. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton, Audio Guides to the Outdoors. 
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