Geological puzzlements: If rocks usually pile up, layer by layer, over time, why are MOUNT DIABLO's oldest layers on top? A geological tour of the Mary Bowerman Loop presented by Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Featuring Ken Lavin. Photos by Scott Hein and others. Music by Phil Heywood. Production by Joan Hamilton.

A Brief History of Mount Diablo State Park: Episode 1

Audible Mount Diablo is an invitation to adventure. Its free multimedia tours combine lively interviews and music with the rush of wind and the chirps, howls, and growls of wildlife. Naturalists heighten visitors’ appreciation of the sights and sounds at each stop, tell tales of the mountain’s past, and suggest what to look for around the next bend.  Perfect to prepare for your first--or your hundredth--trip up the mountain. 

Sponsored by Save Mount Diablo and the Mount Diablo Interpretive Association

Produced by Audio Guides to the Outdoors