Sep 27, 2019
Ferns evolved during the age of fish: 360 million years ago. They have endured climate changes and other cataclysmic events. They have watched a parade of other species evolve and become extinct. What makes them so durable?
"Falls Trail" is 13-part series featuring Ken Lavin, Burt Bogardus, Paul Cardinet, and Jenn...
Sep 26, 2019
MOUNT DIABLO HIKERS: Where did names like Mount Olympia, Donner Canyon, Back Canyon, and Ransom Point come from? And what's with the roasted rock on top of Lower Twin Peak? All-knowing and clever Ken Lavin explains.
Sep 19, 2019
QUIZ TIME: Climbing up the north slopes of Mount Diablo, you can see a place famous for its grizzly bears that was once called The Deadfall. What's the name of the town today?
Sep 12, 2019
MITCHELL ROCK On the way to Twin Peaks, we discuss three layers of rock that used to be part of the ocean floor. A quiet little topic? Not so much. The deepest layer, SERPENTINE, has been a subject of passionate debate.
Sep 5, 2019
It's time for a hike! Let's head up to the top of Twin Peaks on Mount Diablo, a moderate, half-day jaunt with lots to see and learn. Part one: INTRODUCTION