The death knell for the sooty crayfish probably sounded with the introduction of its cousin from the north.
Vasco Caves Regional Preserve Tour
Join this tour in celebrating National Native American Heritage Month by hiking 2-3 miles through this wild and windswept land which is sacred to local California Indian communities and a refuge for golden eagles, fairy shrimp, and tiger salamanders. The … Read more
Vasco Caves Regional Preserve Tour
Join this tour in celebrating National Native American Heritage Month by hiking 2-3 miles through this wild and windswept land which is sacred to local California Indian communities and a refuge for golden eagles, fairy shrimp, and tiger salamanders. The … Read more
History Hike ABOVE the Mines!
Black Diamond Mines Regional Preserve was once teeming with thriving communities. Join a Naturalist on a 2-3 mile hike to learn about the richness of the coal and sand mining history on a hike above the mines. No underground mine … Read more
Who Built the Sibley Labyrinth?
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
Hike and Sip: Halloween Full Moon
A perfect date night or fun with friends! Enjoy a beautiful sunset hike in the majestic Redwood forest, followed by stargazing on Chabot’s Observation Deck with drinks. Take in the fascinating history of Oakland, local plants, and Redwood trees with … Read more
Hike and Sip: Full Moon
A perfect date night or fun with friends! Enjoy a beautiful sunset hike in the majestic Redwood forest, followed by stargazing on Chabot’s Observation Deck with drinks. Take in the fascinating history of Oakland, local plants, and Redwood trees with … Read more
Save Mount Diablo: Rocks on the Move
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
Pond Farm Tour
Join a docent-led tour of Pond Farm Pottery and Immerse yourself in the history and natural beauty of this significant cultural site, listed on the National Register of Historic Places and a National Historic Landmark. Learn about the dreams and … Read more
Saturday Walk in the Park
Explore the natural history of this north coast park and beach with park staff and guest naturalists! Join this leisurely stroll through coastal prairie, riparian area, beach, and bluff trails with an emphasis on a different natural and cultural history … Read more