The Marin Headlands features “excellent exposures” of pillow basalt, Sloan wrote, which is essentially “ancient ocean crust” composed of basaltic lava flows and so-called pillow lava. It ...

After visiting a couple of less satisfying turf labyrinths in Oakland and Fairfax, I found myself pursuing a rumor in the Marin Headlands. Supposedly there was a labyrinth here, on a point above ...

Point Bonita Lighthouse, a jewel in the Bay Area, offers an experience for nature lovers and history nerds. Located in the ...

Featuring many of Marin County’s most famous trails — Coastal, Miwok, Steep Ravine, Matt Davis and Dipsea — the Tamalpa Headlands 50k presented by the Tamalpa Runners provides a spectacular setting ...

Located in the northwestern area of San Francisco in the Presidio, Baker Beach is primarily known for its sweeping views of the Golden Gate Bridge and the neighboring Marin Headlands. The mile ...