The Biggest Tree in the World?

ROBERTS REGIONAL RECREATION AREA (MAIN ENTRANCE): On a 1.5-mile exploration, we will search for evidence of a 32-foot diameter redwood that was cut down in the 1850s, and the Blossom Rock Trees that were visible from the Golden Gate. Discuss theories, mysteries, and controversies.

Parking fees apply.

No registration; drop-in.

For information, call (510) 544-3187.

MAP: Roberts Regional Recreation Area (Main Entrance)