Bay Nature's events calendar has events from nature organizations all over the Bay Area. Find guided Bay Area hiking, learn about Bay Area wildlife, and more. Learn about our In the Field outings. Or submit your own event.

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October 2014

Freaky Fun at Aquarium of the Bay!

October 30 @ 10:00 am - November 2 @ 7:00 pm
Aquarium of the Bay,
The Embarcadero and Beach Street, San Francisco, 94133 United States
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21.95 or Free for kids 12 and under in costume!
Aquarium of the Bay is gearing up for four days of freaky fun this Halloween! Join us as we celebrate ... Find out more »

‘Sharkoween’ Film Screening & Social

October 30 @ 6:00 pm - 9:00 pm
Ninth Street Independent Film Center,
145 9th Street, San Francisco, CA 94103 United States
“Sharkoween” is a shark-filled Halloween Film Screening & Social from SF Green Film Festival and Shark Stewards. Join us for ... Find out more »

Bats, Spiders, Owls, Oh My! Backyard Naturalist Program

October 31 @ 6:00 pm - 8:00 pm
Bouverie Preserve,
13935 Sonoma Hwy, Glen Ellen, CA 95442, Glen Ellen, CA United States
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Audubon Canyon Ranch (ACR), a North Bay leader in conservation science, habitat protection and restoration and nature education, will host ... Find out more »
November 2014

Nature Hike at King-Swett Ranches

November 1 @ 9:00 am - 1:00 pm
King-Swett Ranches,
Vallejo, CA United States
Come explore the hills between Fairfield, Benicia, and Vallejo! You’ll be led by Jim Walsh and/or James Chang, both expert ... Find out more »

Broom Buster Work Day

November 1 @ 9:00 am
Old St. Hilary’s Open Space Preserve,
Lyford Drive, Tiburon, CA 94920 United States
Old St. Hilary’s Open Space Preserve has a friend in the Broom Buster team, a loyal group of volunteers who ... Find out more »

REI Ridge Trail Service Day

November 1 @ 9:00 am - 1:00 pm
680 Trail,
Varies, San Rafael, United States
REI is partnering with land management agencies throughout the nine-county Bay Area to promote a morning of service on the ... Find out more »

Big Rock Ridge to the Summit

November 1 @ 9:00 am - 2:00 pm
Big Rock Ridge,
Lucas Valley Rd, San Rafael, United States
This walk will take us from Lucas Valley to the 1,895 foot summit of Big Rock Ridge, the second highest ... Find out more »
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