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 - Sunday, December 15

Take the Bay Ridge Challenge

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Sunday, April 28 @ 11:00 am - 2:00 pm

Family Adventure Day

Jack London State Historic Park, 2400 London Ranch Rd, Glen Ellen, CA 95442 + Google Map
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May 2019
Saturday, May 4 @ 10:00 am - 12:00 pm

Bouverie Preserve – Guided Nature Walk

Bouverie Preserve, 13935 Sonoma Hwy, Glen Ellen, CA 95442, Glen Ellen, CA + Google Map
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Saturday, May 4 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, May 11 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, May 18 @ 10:00 am - 12:00 pm

Flower Hike

Moore Creek Park, 2607 Chiles Pope Valley Rd, , Saint Helena, CA + Google Map
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Saturday, May 18 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, May 25 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Friday, May 31 @ 6:00 pm - 9:30 pm

Twilight Hike at Bouverie Preserve

Bouverie Preserve, 13935 Sonoma Hwy, Glen Ellen, CA 95442, Glen Ellen, CA + Google Map
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Saturday, June 1 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, June 8 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, June 15 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
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Saturday, June 22 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
More »
Saturday, June 29 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
More »
July 2019
Saturday, July 6 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
More »
Saturday, July 13 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
More »
Saturday, July 20 @ 10:00 am - 4:00 pm
|Recurring Event (See all)

An event every week that begins at 10:00am on Saturday, repeating until July 27, 2019

Open for Exploration – Weekly themed hikes and activites

Martin Griffin Preserve (ACR), 4900 Shoreline Highway 1, Stinson Beach, CA 94970 + Google Map
More »
August 2019
Saturday, August 17 @ 10:00 am - 12:00 pm

Birding at American Canyon Wetlands

wetlands edge park, 2 Eucalyptus Dr, American Canyon, CA 94503 + Google Map
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Events List Navigation

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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Solano Overnight


Join the Ridge Trail, Greenbelt Alliance, Solano Land Trust, and the Greater Vallejo Recreation District for the first Solano County hike and overnight! Participants will attend a 2-day supported hike from Newell Open Space Preserve to ...

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East Bay Hills Hike and Equestrian Ride


Save the date to attend a supported 5-day hike/6-day equestrian ride through East Bay Regional Parks. Choose the amount of days you want to hike and between a 10-12 mile hike or 6-8 mile hike each day. All meals and campsites are included and your camping gear is shuttled between campsites for you so you only need to hike with a daypack! The event benefits t...

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