We listen to lively sounds of the creek as we head up Donner Canyon, named for an unfortunate family that lived here in the late 1800s. On the way: tales of history, valley oaks, and the widely feared "guardian of the woodland," poison oak. 

"Falls Trail" is 13-part series featuring Ken Lavin, Burt Bogardus, Paul Cardinet, and Jenn Roe. Presented by Mount Diablo Interpretive Association in partnership with Save Mount Diablo.