Home » Archive by Category

Nature

Friday, September 11

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

“Humans Only” Music Showcase in the Park (Berkeley)
Friday, September 11 – 6:00 pm - Ends at 7:00 pm | Cost: FREE*
*FREE for HUMANS!
| Live Oak Park
“Humans Only” Music Showcase in the Park (Berkeley)
Get away from your screen every 2nd Friday at the Humans Only music showcase at Live Oak Park in Berkeley (Google Maps: Live Oak Area 2). Come meet a new artist. Come meet a new person. All ages, free admission, in a beautiful park in ...

Saturday, September 12

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

Trail & Habitat Volunteer Work: Restoring Laguna Honda’s Lost Trails | SF
Saturday, September 12 – 9:00 am - Ends at 12:00 pm | Cost: FREE | Laguna Honda Hospital
Trail & Habitat Volunteer Work: Restoring Laguna Honda's Lost Trails | SF

Did you know that there’s another trail system in San Francisco? The trails have been off the radar for some time. SF Urban Riders is proud to announce that they’re working with the Laguna Honda Hospital and Rehabilitation Center in improving the historic multi­ use ...Monthly

Muir Woods Nature Bus Ride Tour for Latino Conservation Week (Marin)
Saturday, September 12 – 9:00 am - Ends at 3:00 pm | Cost: FREE*
*RSVP required. Free bus transportation provided from Presidio Transit Center.
| Muir Woods
Muir Woods Nature Bus Ride Tour for Latino Conservation Week (Marin)
Celebrate Latino Conservation Week at Muir Woods with a free, family-friendly day featuring bilingual ranger talks and nature walks. Free bus transportation is provided from Presidio Transit Center and RSVP is required. Participants must use the provided bus to attend. Original Event Description: _Join us and our ...
2026 Sunset Dunes Bioblitz: Explore 400+ Species at Ocean Beach (SF)
Saturday, September 12 – 10:00 am - Ends at 1:30 pm | Cost: FREE | Great Highway & Noriega Street, San Francisco, CA, USA, SF, CA 94122
2026 Sunset Dunes Bioblitz: Explore 400+ Species at Ocean Beach (SF)
Join us on Saturday, September 12, at Ocean Beach in San Francisco for a community bioblitz celebrating California Biodiversity Day! Explore local nature, connect with your community, and discover the incredible biodiversity of one of San Francisco’s most iconic coastlines. Meet at the intersection of the ...
Basket Weaving Workshop with Gourd & Pine (Berkeley)
Saturday, September 12 – 10:00 am - Ends at 4:00 pm | Cost: FREE*
*Varies
| TBA
Basket Weaving Workshop with Gourd & Pine (Berkeley)
Weaving With Nature During this workshop with artist Abeni Pierson, we’ll work with two natural materials that have been used across cultures for generations: gourds and pine needles. We’ll begin with an introduction to gourds: what they are, how they grow, and how they’ve been traditionally used ...
Free Outdoor Painting Gathering at GG Park’s Dahlia Dell (SF)
Saturday, September 12 – 10:00 am - Ends at 12:00 pm | Cost: FREE*
*FREE
| Dahlia Dell
Free Outdoor Painting Gathering at GG Park's Dahlia Dell (SF)
Free painting gathering at the Golden Gate Dahlia Dell. Sign up at Painters Unite to get the location for every event. Painters Unite is a free gathering for anyone who wants to slow down and paint outdoors, together. No class, no pressure, nothing for sale. I’m Marco ...
Golden Gate Park “Singing in the Park” Community Party (SF)
Saturday, September 12 – 10:30 am - Ends at 11:30 am | Cost: FREE*
*Completely Free
| Mothers Meadow (Golden Gate Park)
Golden Gate Park "Singing in the Park" Community Party (SF)

Make new friends and beautiful, fun music: join us for free monthly community singing in the park! We meet the Second Saturday of every month @10:30am and will always have the pink blanket above so you can find us. The community sing is super kid, adult ...Monthly

Family Nature Adventures: Interactive Workshop + Guided Owl Walk (Oakland)
Saturday, September 12 – 10:30 am - Ends at 12:30 pm | Cost: $25*
*Members get $15 off
| Chabot Space & Science Center
Family Nature Adventures: Interactive Workshop + Guided Owl Walk (Oakland)
$25 Adult, $35 Youth 3-8 Members receive $15 off   Buy Tickets   This Months Theme: Discover the Secrets of Local Owls! Step into the magical world of owls during this month’s adventure! Interactive Workshop: Dive into the habits, calls, and diets of local owls. Experience hands-on science as you dissect owl pellets ...
“Little Lanterns” Immersive Storybook Festival
Saturday, September 12 – 10:30 am - Ends at 1:30 pm | Cost: $10*
*One Adult ticket $10
| Unity Center of Walnut Creek
"Little Lanterns" Immersive Storybook Festival
Step into a world of wonder at the Little Lanterns Family Experience—a one-of-a-kind family adventure inspired by the beloved children’s book, Lantern of Light. Created for families with young children, this immersive outdoor festival brings the story to life through live storybook-inspired character performances, interactive storytelling, ...
Monterey Open Farm Tours: Goat Feeding, Tamales + Berry Picking (Watsonville)
Saturday, September 12 – 1:00 pm - Ends at 5:00 pm | Cost: $25*
*a ticket covers a carload of people (max 5 people per ticket)
| My Organic Farm
Monterey Open Farm Tours: Goat Feeding, Tamales + Berry Picking (Watsonville)
Excitement is in the air! Get ready to be part of something extraordinary at the Monterey Open Farm Tours, where farmers open their farms to the public for a day of fun activities. This event gives you an opportunity to learn about local agriculture (with a dash ...
4th Annual Kite by the Bay at Candlestick Point (SF)
Saturday, September 12 – 1:00 pm - Ends at 4:00 pm | Cost: FREE*
*You must register for the event for tickets for free food.
| Candlestick Point State Recreation Area
4th Annual Kite by the Bay at Candlestick Point (SF)
Free kite festival at Candlestick Park! Decorate a kite, listen to music, go fishing and enjoy the outdoors.Welcome to Kite By The Bay! Join us at Candlestick Point State Recreation Area on Saturday, Sept. 12, at 1 p.m. for a day of kite-flying fun, hosted by California State Parks, Faces SF ...
Free Book Talk: The Earth Said Remember Me w/ Jason Dove Mark (Corte Madera)
Saturday, September 12 – 1:00 pm | Cost: FREE | Book Passage (Corte Madera)
Free Book Talk: The Earth Said Remember Me w/ Jason Dove Mark (Corte Madera)
The Earth Said Remember Me: How to Revive Our Memories and Restore the Planet by Jason Dove Mark is a rallying cry and resistance manual from one of the leaders, breathing new life into the environmental movement.   ABOUT THIS EVENT This event will be hosted by Book Passage ...
“Guttural Scream at the Sea” Massive Group Yell + BYO Fresh Bruit Picnic (The Presdio)
Saturday, September 12 – 4:30 pm - Ends at 6:00 pm | Cost: FREE | The Presidio
"Guttural Scream at the Sea" Massive Group Yell + BYO Fresh Bruit Picnic (The Presdio)
got laid off? your love life a disaster? not one, but two of your violins got stolen? your family won’t stop asking you about raymond, your hypothetical future husband they invented in their minds because it sounds like your brother’s wife’s name (rachel)? your parents ...
Hike & Sip at Chabot Space & Science Center
Saturday, September 12 – 5:00 pm - Ends at 9:30 pm | Cost: $40*
*21+
| Chabot Space & Science Center
Hike & Sip at Chabot Space & Science Center
Experience an unforgettable evening of nature, history, and stargazing with Hike & Sip, a program designed for adults 21 and over. Explore the majestic Redwood forest, guided by Chabot’s knowledgeable outdoor educators, and learn about the ecosystem, the cultural heritage of the Ohlone peoples, and ...
Free East Bay Drive-in Movie Night: Documentary + Free Pizza & Popcorn (Rodeo)
Saturday, September 12 – 7:00 pm | Cost: FREE | Laurel Court community garden
Please join us Saturday September 12, at Laurel Court Community Garden, for our Drive-In Movie Night. RCA is showing an environmental documentary called “Common Ground,” that could change the World. Produced by Woody Harrelson, it is a story of what’s gone wrong with American farming ...

Sunday, September 13

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

Lower Nob Hill Trash Cleanup
Sunday, September 13 – 9:45 am - Ends at 11:00 am | Cost: FREE | Lower Nob Hill Neighborhood/Another Cafe
Lower Nob Hill Trash Cleanup
Join neighbors and volunteers every Sunday to help keep Lower Nob Hill clean, welcoming, and beautiful. We provide trash grabbers, bags, and gloves for anyone who wants to help out. Meet new people, give back to the community, and make a visible difference one block ...
100th Anniversary Celebration of Dahlias: SF’s Official Flower (Golden Gate Park)
Sunday, September 13 – 10:00 am - Ends at 12:00 pm | Cost: FREE | Dahlia Dell, Golden Gate Park
100th Anniversary Celebration of Dahlias: SF's Official Flower (Golden Gate Park)
Celebrate the 100th anniversary of the dahlia as San Francisco’s official flower at the Dahlia Dell Celebration in Golden Gate Park. The public event features free docent-led tours, special speeches, and the dedication of Dahlia Circle. Enjoy family-friendly activities and photo opportunities surrounded by blooming ...
Latino Conservation Week Guided Hike + Free Food (Redwood City)
Sunday, September 13 – 10:00 am - Ends at 2:00 pm | Cost: FREE*
*RSVP required. Food and snacks provided. Bus transportation included from Cubberley Community Center in Palo Alto.
| El Corte de Madera Creek Preserve Parking Area
Latino Conservation Week Guided Hike + Free Food (Redwood City)
Kick off Latino Conservation Week 2026 with Latino Outdoors SF Bay Area, Midpeninsula Regional Open Space District, and Hispanic Access Foundation at El Corte de Madera Creek Preserve in Redwood City. The event features a free, guided ranger hike of about 2.5 miles to the ...

Wednesday, September 16

Gr8’tr U X Rafiki Run Club (Crane Cove Park)
Wednesday, September 16 – 5:30 pm - Ends at 7:30 pm | Cost: FREE | Crane Cove Park
Gr8’tr U X Rafiki Run Club (Crane Cove Park)
Ready to lace up and hit the pavement? Join the Gr8’tr U and Rafiki Run Club every Wednesday at 5:30! This 10-week run club gives everyone a chance to enjoy some cardio, bond with their fellow runners, and get a great workout in! Not much of ...

Thursday, September 17

SF’s New “CritterFest” Film Festival About Pets + Animals (Sept. 17-20)
SF's New "CritterFest" Film Festival About Pets + Animals (Sept. 17-20)
SF IndieFest’s latest festival is CritterFest, a series of films about animals, pets & wildlife at the 4-Star theater and video on demand September 17-20, 2026. CritterFest is interested in exploring the profound resonance and interaction between humans and the animal kingdom with an eye towards the ...

Friday, September 18

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

Destination Festival 2026: 3-Day Music + Arts on Floating Island (Sacramento River Delta))
Friday, September 18 – All Day | Cost: $250 | Forbes Island
Destination Festival 2026: 3-Day Music + Arts on Floating Island (Sacramento River Delta))
This year’s Destination Fest is a 3-day boutique music and arts gathering on Forbes Island, an historic floating light house, only accessible by ferry or boat, a short drive from San Francisco. Set sail, lose yourself, come home changed. 🪼 ️ Date: Sep 18th, 2026 2PM – ...

Saturday, September 19

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

40th Annual Russian River Watershed Cleanup
Saturday, September 19 – 9:00 am | Cost: FREE*
*Sign ups required, opening August 1st. They fill up fast!
| Multiple locations on the Russian River and its tributaries
40th Annual Russian River Watershed Cleanup
Join us in our annual tradition of gathering together and showing the river some love by helping us remove the trash and plastic pollution that accumulates over the summer at 20+ locations, from Ukiah to Jenner. Let’s see if we can do even better than ...
California Coastal Clean-Up 2026 (Volunteer)
Saturday, September 19 – 9:00 am - Ends at 12:30 pm | Cost: FREE | Golden Gate National Recreation Area
California Coastal Clean-Up 2026 (Volunteer)
Join the Parks Conservancy on September 19, 2026 for the 42nd annual Coastal Cleanup Day—the statewide movement that helps clear trash from California’s coastlines and inland waterways every year! Volunteers will enjoy beautiful ocean views while they remove litter, protect native habitats, help minimize marine ...

Sunday, September 20

Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Final Day)
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Final Day)

One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...

Free LGBTQ+ Big Band Jazz Concert in Golden Gate Park (AIDS Memorial Grove)
Sunday, September 20 – 12:00 pm - Ends at 2:30 pm | Cost: FREE | National AIDS Memorial Grove
Free LGBTQ+ Big Band Jazz Concert in Golden Gate Park (AIDS Memorial Grove)
Grab a picnic and join LGBTQ+ big band The Super Super for an afternoon of big band jazz in the beautiful National AIDS Memorial Grove. Going beyond the traditional jazz canon, this concert features a variety of styles and composers including Hugh Masekela and Abdullah ...