The Bay Nature events calendar features events sponsored by Bay Area nature organizations from Sonoma to Santa Cruz. Find guided hikes, learn about Bay Area wildlife, enjoy nature festivals, and more!

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April 2019
Saturday, April 20 - Sunday, December 15

Take the Bay Ridge Challenge

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October 2019
Thursday, October 17 @ 10:00 am - 12:30 pm
|Recurring Event (See all)

One event on September 19, 2019 at 10:00 am

One event on October 17, 2019 at 10:00 am

One event on November 21, 2019 at 10:00 am

A Walk Honoring Loss and Resilience

Sugarloaf Ridge State Park, 2605 Adobe Canyon Rd, Kenwood, CA 95452 + Google Map
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Saturday, October 19 @ 9:00 am - 12:30 pm

Literature, Lore, and Life Sciences

Rancho San Antonio Open Space Preserve, 22500 Cristo Rey Drive, Los Altos, CA 94024 + Google Map
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Saturday, October 19 @ 9:30 am - 2:00 pm

Wildcat Canyon Wonder

Wildcat Canyon Regional Park, 5755 McBryde Ave, Richmond, CA 94805 + Google Map
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Saturday, October 26 @ 9:00 am - 11:00 am

Black Diamond Mines Halloween Hike

Black Diamond Mines, 5175 Somersville Road, Antioch, CA 94509 + Google Map
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Saturday, October 26 @ 10:00 am - 2:00 pm

Ohlone Medicine

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Saturday, October 26 @ 6:00 pm - 8:30 pm

Hoot ‘n Howl: Night Critters of the Laguna

Laguna Environmental Center, 900 Sanford Road, Santa Rosa, California 95401 + Google Map
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Sunday, October 27 @ 10:00 am - 2:00 pm

Autumn Exploration

Russian Ridge Open Space Preserve, Skyline Boulevard at Page Mill Road, Redwood City, CA 94062 + Google Map
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November 2019
Saturday, November 2 @ 9:30 am - 12:30 pm

Animal Architecture

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Saturday, November 9 @ 9:00 am - 12:00 pm

Irish Canyon Audubon Hike

Irish Canyon, Corner Peacock Creek Dr and Clayton Rd, Clayton, CA 94517 + Google Map
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Thursday, November 21 @ 10:00 am - 12:30 pm
|Recurring Event (See all)

One event on September 19, 2019 at 10:00 am

One event on October 17, 2019 at 10:00 am

One event on November 21, 2019 at 10:00 am

A Walk Honoring Loss and Resilience

Sugarloaf Ridge State Park, 2605 Adobe Canyon Rd, Kenwood, CA 95452 + Google Map
More »
December 2019
Saturday, December 7 @ 9:00 am - 12:00 pm

Chaparral Spring – Conservation Story Hike

Chaparral Spring, 9575 Marsh Creek Road, Clayton, CA 94517 + Google Map
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Sunday, December 15 @ 9:00 am - 11:00 am

Native Flora & Fauna Hike – Briones Regional Park

Bear Creek Staging Area, 1611 Bear Creek Road, Lafayette, CA + Google Map
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Saturday, December 21 @ 4:30 pm - 7:30 pm

Solstice Night Hike

Helen Putnam Regional Park, 411 Chileno Valley Road, Petaluma, CA 94952 + Google Map
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