The Fremont Peak Experience
Discover rare rocks, distant stars, beautiful wildflowers, and a bit of California history all at one small state park south of San Juan Bautista.
Geology
The Checkerspot Comes Home
Contrary to common notions of autumn as a season of dying back, our fall rains often herald new beginnings. That’s especially true this fall at Edgewood County Park and Natural...
Speak of the Devil
Mount Diablo is such a towering icon of our landscape that it is sometimes easy to forget how much complexity lies within its familiar outline. Indeed, the mountain holds many...
Discover the Rare Rocks and Flowers of Tiburon’s Ring Mountain
Perched 600 feet above San Francisco Bay, Ring Mountain has spectacular views of the surrounding ridgelines, Bay, and urban areas. But you can also find much deeper views into the...
Tafoni Around the Bay
The tafoni weathering formation featured at El Corte de Madera Creek Preserve is a particularly accessible example of an uncommon phenomenon, but there are several other places to see tafoni...
The Rock in the Redwoods
Take a hike to a scene of otherworldly geology, hidden away in this Peninsula preserve's forests of tanoak, Douglas-fir, and second-growth redwood.
Book Review: Geology of the San Francisco Bay Region
Geology of the San Francisco Bay Region, by Doris Sloan, UC Press, 2006, 360 pages, $17.95 www.ucpress.edu “The world-famous Bay Area rocks tell a geologic story that reads like a...
When was the last volcanic eruption in the Bay Area? Where was it?
You can easily visit the 10-million-year-old Sibley Volcano (see Voice of the Volcano, April-June 2005) in the hills above Oakland. And college geology classes often visit the Nicasio Dam in...
Carquinez Breakthrough
The open hills along the Carquinez Strait are home to working ranches and open space preserves that are meeting places for native species from both the coast and the Central...
Beachfront Property
San Francisco’s Fort Funston is perhaps best known for dogs and hang gliders, but its cliffs also host a thriving coastal bank swallow colony.
