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! For Bay Nature-sponsored events click here.

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Bay Nature Event Calendar

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April 2019
Saturday, April 20
|Recurring Event (See all)

An event every week that begins at 12:00am on Sunday and Saturday, repeating until December 15, 2019

Take the Bay Ridge Challenge

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Saturday, April 20 @ 9:30 am - 4:00 pm

Earth Day at Coyote Hills Visitors Center

Coyote Hills Visitor Center, 8000 Patterson Ranch Road, Fremont, CA 94555 + Google Map
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Saturday, April 20 @ 10:00 am - 3:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until May 25, 2019

Welcome to Wildlife Nature Camp

Peralta Hacienda Historical Park, 2465 34th Avenue, Oakland, CA 94601 + Google Map
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Saturday, April 20 @ 10:00 am - 2:00 pm

WildCare’s Family Nature Day honoring Elizabeth Terwilliger

Stafford Lake Park, 3549 Novato Blvd., Novato, CA 94947 + Google Map
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Saturday, April 20 @ 10:00 am - 2:00 pm

Earth Day Salmon Fest

SPAWN Headquarters, 9255 Sir Francis Drake Boulevard, Lagunitas, CA 94938 + Google Map
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Saturday, April 20 @ 10:00 am - 3:00 pm

Alameda Earth Day Event

Crab Cove Visitor Center, 1252 McKay Avenue, Alameda, CA + Google Map
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Saturday, April 20 @ 10:00 am - 4:00 pm

Celebrate John Muir’s Birthday & Earth Day

John Muir National Historic Site, 4202 Alhambra Avenu, Martinez, CA + Google Map
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Saturday, April 20 @ 11:00 am - 1:00 pm
|Recurring Event (See all)

An event every week that begins at 11:00am 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, April 20 @ 1:00 pm - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 1:00pm 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, April 20 @ 2:00 pm
|Recurring Event (See all)

An event every week that begins at 2:00pm 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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Saturday, April 20 @ 6:00 pm - 8:15 pm
|Recurring Event (See all)

An event every week that begins at 6:00pm on Saturday, repeating until April 27, 2019

Saturday Sunset Sail on San Francisco Bay (Spring 2019)

Schooner Freda B, Sausalito Yacht Harbor, Slip 465, Sausalito, CA 94965 + Google Map
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Sunday, April 21
|Recurring Event (See all)

An event every week that begins at 12:00am on Sunday and Saturday, repeating until December 15, 2019

Take the Bay Ridge Challenge

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Sunday, April 21 @ 8:45 am - 11:30 am
|Recurring Event (See all)
Weekly on Sunday Mornings (8:45am-11:30am)

Eco-Sail to the Marin Headlands (Spring 2019)

Schooner Freda B, Sausalito Yacht Harbor, Slip 465, Sausalito, CA 94965 + Google Map
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Monday, April 22 @ 6:15 pm - 8:30 pm

Earth Day Sunset Sail on San Francisco Bay

Schooner Freda B, Sausalito Yacht Harbor, Slip 465, Sausalito, CA 94965 + Google Map
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Saturday, April 27
|Recurring Event (See all)

An event every week that begins at 12:00am on Sunday and Saturday, repeating until December 15, 2019

Take the Bay Ridge Challenge

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Saturday, April 27 @ 10:00 am - 3:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until May 25, 2019

Welcome to Wildlife Nature Camp

Peralta Hacienda Historical Park, 2465 34th Avenue, Oakland, CA 94601 + Google Map
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Saturday, April 27 @ 10:00 am - 4:00 pm

Spring Fling at Slide Ranch – April 27

Slide Ranch, 2025 Shoreline Highway, Muir Beach, CA 94965 + Google Map
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Saturday, April 27 @ 10:00 am - 2:00 pm

Randall Museum’s Bug Day!

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Saturday, April 27 @ 11:00 am - 1:00 pm
|Recurring Event (See all)

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

Saturday Science Drop-in Workshops

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
More »
Saturday, April 27 @ 1:00 pm - 4:00 pm
|Recurring Event (See all)

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

Afternoon Art Drop-in Workshops

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
More »

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Ongoing Events


Point Reyes Birding & Nature Festival


Save the Date: 10th Annual Anniversary of Point Reyes Birding and Nature Festival April 26th-28th, 2019 Grab your brood and come celebrate our 10th Anniversary of the Festival with keynote speaker Kenn Kaufman. Kaufman is a lifelong naturalist, and the the originator and editor of the Kaufman Field Guides series. His fascination with birds developed at the age of six, and he went on to becom...

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Earth Arbor Day in Santa Clarita


The City of Santa Clarita’s Earth Day Arbor Day celebration is an event that is held in conjunction with the worldwide Earth Day efforts of improving environmental awareness and taking care of the planet. Join in the festivities at this eco-friendly event to renew your commitment to reduce, reuse, and recycle to protect and preserve our environment. Location: Central Park ...

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