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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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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August 2019
Saturday, August 24 @ 9:00 am - 11:00 am

The Impact of Fire

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Saturday, August 24 @ 9:00 am - 12:00 pm

Watershed Action Day BioBlitz

Arena Green, 375 W Santa Clara St, San Jose, 95113 + Google Map
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Saturday, August 24 @ 1:00 pm - 3:00 pm

Naturalist Hike: Heritage Day Walk

China Camp State Park, 1898 N San Pedro Rd, San Rafael, California 94901 + Google Map
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Saturday, August 24 @ 5:00 pm - 10:30 pm

Arachnophilia!

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Saturday, August 24 @ 6:00 pm - 8:00 pm

Round Valley Sunset Hike

Round Valley Regional Preserve, 19450 Marsh Creek Rd, Brentwood, CA 94513 + Google Map
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Sunday, August 25 @ 10:00 am - 2:00 pm

South Bay: Butano Redwood Grove

Butano State Park, 1500 Cloverdale Rd., Pescadero, CA 94060 + Google Map
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Sunday, August 25 @ 10:00 am - 11:30 am

Senior Stroll: Exploring an Island

Santa Margarita Island, Meet at the gate end of Meadow Dr, San Rafael, + Google Map
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Saturday, August 31 @ 9:30 am - 11:30 am

Naturalist Hikes at China Camp

China Camp State Park, 1898 N San Pedro Rd, San Rafael, California 94901 + Google Map
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Saturday, August 31 @ 5:30 pm - 8:30 pm

East Bay: Tarantula Trek on Mount Diablo

Mount Diablo State Park (Mitchel Canyon Rd), 96 Mitchel Canyon Fire Rd, Clayton, CA 94517 + Google Map
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September 2019
Wednesday, September 4 @ 9:00 am - 2:00 pm

Indian Tree

Indian Tree Open Space, Vineyard Rd, Novato, CA + Google Map
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Sunday, September 8 @ 9:30 am - 12:30 pm

Carquinez Shoreline to Port Costa

Carquinez Strait Regional Shoreline, 166 Carquinez Scenic Drive, Crockett, CA, 94525 + Google Map
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Sunday, September 15 @ 9:00 am - 12:00 pm

Thomas Home Ranch Property Tour

Thomas Home Ranch, 5755 Nortonville Road, Pittsburg, CA 94565 + Google Map
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Sunday, September 15 @ 10:00 am - 2:00 pm

Bahia Naturalist Walk

Bahia trailhead, end of Bahia Drive, Novato, + Google Map
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Saturday, September 21 @ 9:00 am - 12:00 pm

The Hills of San Francisco

Randall Museum, 199 Museum Way, San Francisco, 94114 + Google Map
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Saturday, September 21 @ 9:00 am - 11:00 am

The Impact of Fire

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Thursday, September 26 @ 10:00 am - 11:30 am

Senior Stroll at Bear Valley

Bear Valley Visitor Center, Point Reyes National Seashore, 1 Bear Valley Road, Point Reyes Station, CA 94956 + Google Map
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Sunday, September 29 @ 9:00 am - 1:00 pm

Pirates’ Cove Caper

Muir Beach, Muir Beach Parking Lot, Muir Beach, CA 94965 + Google Map
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Sunday, September 29 @ 9:00 am - 12:00 pm

Twin Ponds Loop Hike – Shell Ridge

Twin Ponds, End of Rockspring Place, Walnut Creek, CA + Google Map
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October 2019
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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November 2019
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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Ongoing Events


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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Sonoma Mountain Camp and Trek


Come celebrate beautiful Sonoma Mountain on this park-to-park adventure! Enjoy a supported one-way hike across the Bay Area Ridge Trail connecting the North Sonoma Mountain Regional Park and Open Space Preserve in Santa Rosa to Jack London State Historic Park in Glen Ellen. Many organizations have been key in a long-term conservation effort that so f...

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