BOB WALKER'S FAVORITE HIKE  A six-mile loop on the preserve’s eastern side takes in a wide array of wonders, including frogs, ferns, falcons, and fairy lanterns. Have a look while you're sheltering in place!

Presented by Save Mount Diablo. Featuring Seth Adams, Carol Alderdice, Kevin Dixon, Robert Doyle, and Manfred Lindner. Including photos by Scott Hein and Bob Walker. Videography Nick Jones. Music Phil Heywood and Steve Arnold. Narration and Production Joan Hamilton.