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
Tuesday, October 22 @ 9:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 9:00 am on Tuesday, Wednesday, Thursday, Friday and Saturday, repeating until November 16, 2019

A Seaweed Sanctuary – Art Exhibition

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Tuesday, October 22 @ 1:00 pm - 4:00 pm

One Tam: Wildlife Picture Index Project

MMWD Offices 220 Nellon Ave Corte Madera 94925, 220 Nellon Avenue, Corte Madera, CA 94925 + Google Map
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Tuesday, October 22 @ 7:00 pm - 9:00 pm

Marine Mammal Research in Malaysia & Vietnam with Ellen Hines

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Wednesday, October 23 @ 9:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 9:00 am on Tuesday, Wednesday, Thursday, Friday and Saturday, repeating until November 16, 2019

A Seaweed Sanctuary – Art Exhibition

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Wednesday, October 23 @ 9:30 am
|Recurring Event (See all)
Every Wednesday, 9:30-12:30

Sutro Native Plant Nursery Volunteer Day

Mount Sutro Native Plant Nursery, 476 Johnstone Dr., San Francisco, California 94131 + Google Map
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Thursday, October 24 @ 9:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 9:00 am on Tuesday, Wednesday, Thursday, Friday and Saturday, repeating until November 16, 2019

A Seaweed Sanctuary – Art Exhibition

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Friday, October 25 @ 8:00 am - 10:30 am
|Recurring Event (See all)

An event every week that begins at 8:00 am on Friday, repeating until December 20, 2019

Birding the Hill

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Friday, October 25 @ 9:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 9:00 am on Tuesday, Wednesday, Thursday, Friday and Saturday, repeating until November 16, 2019

A Seaweed Sanctuary – Art Exhibition

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Saturday, October 26 @ 8:00 am - 12:00 pm

Hounds 4 Huntington’s Dog Costume Walk

Shollenberger Park, 1400 Cader Lane, Petaluma, CA 94954 + 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 @ 9:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 9:00 am on Tuesday, Wednesday, Thursday, Friday and Saturday, repeating until November 16, 2019

A Seaweed Sanctuary – Art Exhibition

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Saturday, October 26 @ 10:00 am - 2:00 pm

Ohlone Medicine

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Saturday, October 26 @ 10:00 am - 2:30 pm

Bioblitz! Family Workshop

Greater Farallones National Marine Sanctuary Visitor Center, 991 Marine Drive, The Presidio, SF, CA 94129 + Google Map
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Saturday, October 26 @ 10:00 am - 2:00 pm
|Recurring Event (See all)

One event on November 23, 2019 at 10:00 am

One event on December 8, 2019 at 10:00 am

Bird of Prey Hike at Lynch Canyon

Lynch Canyon, Mcgary rd. & Lynch rd., Fairfield, CA 94534 + Google Map
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Saturday, October 26 @ 10:30 am - 11:30 am

BUG EATERS: All about Carnivorous Plants

UC Botanical at Berkeley, 200 Centennial Drive, Berkeley, CA 94720 + Google Map
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Saturday, October 26 @ 11:00 am - 1:00 pm
|Recurring Event (See all)

An event every week that begins at 11:00 am on Saturday, repeating until December 28, 2019

Saturday Science Drop-in Workshops

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Saturday, October 26 @ 11:00 am - 2:00 pm
|Recurring Event (See all)

One event on September 28, 2019 at 11:00 am

One event on October 5, 2019 at 11:00 am

One event on October 26, 2019 at 11:00 am

One event on November 29, 2019 at 11:00 am

Daytime Solar Viewing at Robert Ferguson Observatory

Robert Ferguson Observatory, 2605 Adobe Canyon Rd, Kenwood, CA 95452 + Google Map
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Saturday, October 26 @ 1:00 pm - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 1:00 pm on Saturday, repeating until December 28, 2019

Afternoon Art Drop-in Workshops

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Saturday, October 26 @ 1:00 pm - 2:00 pm
|Recurring Event (See all)

One event on September 14, 2019 at 1:00 pm

One event on October 5, 2019 at 1:00 pm

One event on October 26, 2019 at 1:00 pm

Trekking the Model

Bay Model Visitor Center, 2100 Bridgeway, Sausalito, CA 94965 + Google Map
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Saturday, October 26 @ 2:00 pm
|Recurring Event (See all)

An event every week that begins at 2:00 pm on Saturday, repeating until December 28, 2019

Meet the Animal Keeper

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Ongoing Events


Nest: Creating Home


A three-part exhibition about the people, animals and plants that created a home on the Filoli estate. -Filoli is proud to announce its innovative new exhibition, Nest: Creating Home. The exhibition weaves together the formal and informal places in the estate, and explores the stories of the people who lived and worked at Filoli. The exhibition runs from May 10 to November 10, and integrates ...

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Dry Garden Design Symposium - The Legacy of Ruth Bancroft


Join leading horticulturists, landscape designers, and conservation and preservation experts at this special two-day symposium reflecting on the range and breadth of Ruth Bancroft’s legacy in dry garden design, The lessons learned from Ruth’s plant choices and gardening practices are increasingly vital to our relationship to the land we occupy and to garden design for the future. A must for ...

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