All Day

Blooming Now at Jack London State Historic Park

Jack London State Historic Park 2400 London Ranch Rd, Glen Ellen

Free online “Blooming Now” guide to wildflowers at Jack London State Historic Park available Feb. 1-Aug. 31, 2024 Wildflower-watchers delight in seeing blossoms along the trails of Jack London State Historic Park in Glen Ellen (Sonoma County, CA) during peak … Read more

Ongoing

Four Days Diablo

Mount Diablo CA

Join Save Mount Diablo for an unforgettable four-day adventure on Mount Diablo! Four Days Diablo is a “gently roughing it” camping trip that leads you on an adventure through rarely seen Mount Diablo landscapes, including Save Mount Diablo’s very own … Read more

$1500

Learn to Identify Birds by Sound

Armstrong Redwoods State Natural Reserve 17000 Armstrong Woods Road, Guerneville

Teresa and Miles’ passion for birds is contagious – they really love birds, and by the end of the walk, you will too! New to birding or just curious to try it out? Stewards of the Coast and Redwoods is … Read more

$25
Event Series Edible & Medicinal Plant Walk

Edible & Medicinal Plant Walk

Sugarloaf Ridge State Park 2605 Adobe Canyon Rd, kenwood

Join Certified California Naturalist Mary Good on a hike exploring the medicinal and edible plants of the park. Weaving in natural history, ethnobotany, herbalism and folktales, this walk will open your senses, as well as your curiosity to the abundance … Read more

$15 – $20

Bay Nature Bioblitz: UC Berkeley Campus

UC Berkeley 338 Koshland Hall, Berkeley

Join us in person for a Bay Nature Bioblitz on Saturday, April 27, from 10:00am - 2:00pm on UC Berkeley's campus: Let's contribute to the 2024 City Nature Challenge! Join this bioblitz, hosted by Bay Nature, and explore UC Berkeley's campus and … Read more

Free

Inaugural EarthDaze Festival Vallejo

Vallejo's Farmers Market 330 Virginia St, Vallejo

As advocates for environmental preservation and sustainability, we are thrilled to extend a warm invitation to you for our upcoming Earth Day event! Our event will be right by Vallejo's Farmers Market on Marin & Virginia Streets in front of … Read more

Free

Butterfly Walk (2024 CNC Weekend)

Sugarloaf Ridge State Park 2605 Adobe Canyon Rd, kenwood

Community scientists John Hibbard and Alex Weishaar lead this easy-to-moderate 2-mile butterfly walk as part of 2024’s City Nature Challenge. We will encourage butterfly and bug photography; cameras, binoculars, hand lenses, and field guides are recommended. Stop by the greenhouse … Read more

$5

Behind the Scenes at the Prelinger Library

Prelinger Library

Co-founder Megan Prelinger will give a tour of this San Francisco-based independent research library’s collections and its exploration-based geospatial arrangement system. The tour will feature historical topographic maps and atlases, classic natural history books and periodicals, area field guides, and … Read more

$125
Event Series Public Star Party

Public Star Party

Robert Ferguson Observatory 2605 Adobe Canyon Rd, Kenwood

Join us for our traditional public star party with presentations in our classroom and our three telescopes open for viewing, in addition to smaller scopes set up outside! You MUST have a ticket to attend this event. Attendance is limited … Read more

$15