Slow (Geological) Journeys

Sugarloaf Ridge State Park 2605 Adobe Canyon Rd, kenwood

Do you enjoy slow walks in a valley, breezes, wildflowers, the sounds of songbirds, the taste of a Douglas fir needle or a California bay leaf, the aroma of tarweed, or watching wild turkeys and California Quail hunt for seeds … Read more

$5 – $10

Who Built the Sibley Labyrinth?

Sibley Volcanic Regional Preserve 6800 Skyline Blvd, Oakland, CA, United States

She built the Sibley labyrinth “as a gift to the world” in 1989. On a 3-mile hike join Helena Mazzariello, the original builder, as she unravels mysteries and myths about labyrinths, their spiritual properties, and how she (secretly) created ours. … Read more


Save Mount Diablo: Rocks on the Move

Rock City Parking Lot S. Gate Road, Danville, CA, United States

Explore 180 million Years of Geologic History on Mount Diablo What do the summit of Mount Diablo and the Marin Headlands have in common? How is Sentinel Rock in Rock City related to Yosemite’s Half Dome? You’ll discover the answers … Read more