READING THE ROCKS   Crossing Perkins Creek, we see a colorful combination of rocks—green serpentine, red chert, and gray dacite—that offer clues to the mountain's tumultuous past.  From a tour of Perkins Canyon presented by Save Mount Diablo. Featuring Seth Adams, Jean Hetherington, and Ken Lavin. Music by Phil Heywood. Photographs by Scott Hein and others. Production by Joan Hamilton.

Perkins Canyon: Episode 8

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