Home » Archive by Category

Nature

Thursday, October 1

SF’s 1st Ever “Walktober” Citywide Hikes + Community Walks Celebration (October 2026)
Thursday, October 1 – All Day | Cost: FREE | City of San Francisco
SF's 1st Ever "Walktober" Citywide Hikes + Community Walks Celebration (October 2026)
This October, San Francisco invites everyone to step outside and explore for the city’s first annual Walktober — a month-long, city-wide celebration of walking, urban trail adventuring, and community connection. Organized by the San Francisco Crosstown Trail in partnership with a wide variety of local ...

Friday, October 2

Workshop SF First Fridays: Pumpkin Painting & Macrame
Friday, October 2 – 7:00 pm - Ends at 10:00 pm | Cost: FREE*
*Pupmkin Painting $10 Macrame Free
| WorkshopSF
Workshop SF First Fridays: Pumpkin Painting & Macrame
Every first Friday, WorkshopSF hosts an open house / party with DIY, art, fun and community. It’s a chance to preview classes, see the space, and just hang out with neighborhood peeps! We welcome all, and our activities are all low cost or free / ...

Saturday, October 3

Free Nature Scavenger Hunt: Help Count Birds, Bugs + Species (Palo Alto)
Saturday, October 3 – 9:00 am - Ends at 11:00 am | Cost: FREE*
*RSVP required
| Environmental Volunteers EcoCenter
Free Nature Scavenger Hunt: Help Count Birds, Bugs + Species (Palo Alto)
Join the Environmental Volunteers for a Fall BioBlitz in the Palo Alto Baylands Nature Preserve and Byxbee Park. Fall is a wonderful time for migrating birds! Join us to learn about some of our native and non-native species, become a community scientist and help us collect scientific data. Please ...

Sunday, October 4

Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)
Sunday, October 4 – 9:45 am - Ends at 11:00 am | Cost: FREE | Lower Nob Hill Neighborhood/Another Cafe
Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)

Lower Nob Hill Weekly Cleanup Sundays, 9:45 AM to 11:00 AM Meet outside Another Cafe at 1191 Pine St Grab a picker, meet the people on your block, and leave the sidewalks cleaner than you found them. We provide all the supplies: grabbers, bags, gloves, ...Every Sunday

Tuesday, October 6

Meet “Ulysses” SF Ocean Robotics Startup
Tuesday, October 6 – 5:30 pm - Ends at 8:00 pm | Cost: $15*
*$15 until EOD Sept 27; $20 thereafter
| South Beach Yacht Club
Meet "Ulysses" SF Ocean Robotics Startup
An Era of Maritime Robotics and Autonomous Systems at the Gateway to the Pacific: San Francisco’s Elusive Ulysses Robotic Engineering Two years ago, maritime autonomous vessel and robotics start-ups were healing the ocean. Today, the green ‘blue buck’ is in security, defense and surveillance. San Francisco submersible ...

Thursday, October 8

Free Talk: Ocean Beach + Fort Funston Dunes (SF)
Thursday, October 8 – 7:00 pm - Ends at 8:30 pm | Cost: FREE*
*donations welcome of course
| CNPS San Francisco
Free Talk: Ocean Beach + Fort Funston Dunes (SF)
Despite a history of urbanization and military use, two major distinct dune systems directly connected to San Francisco’s Ocean Beach persist: the mostly artificial fringe of Sunset Dunes along the Great Highway fill embankment, and the perched bluff-top dunes on uplifted ice-age (Colma formation) sand ...

Friday, October 9

“Humans Only” Music Showcase in the Park (Berkeley)
Friday, October 9 – 6:00 pm - Ends at 7:00 pm | Cost: FREE*
*FREE
| 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, October 10

Trail & Habitat Volunteer Work: Restoring Laguna Honda’s Lost Trails | SF
Saturday, October 10 – 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

Wildlife Conservation Expo
Saturday, October 10 – 10:00 am - Ends at 5:00 pm | Cost: $80 | Mission Bay Conference Center
Wildlife Conservation Expo
This October, the Wildlife Conservation Network will gather together the most remarkable conservationists in the field, and give you a chance to connect with them. At the Wildlife Conservation Expo, conservationists on the front lines will bring you into their world—sharing firsthand stories in candid presentations and ...
Acorn Adventure: Intro to Needle Felting
Saturday, October 10 – 10:00 am - Ends at 11:30 am | Cost: $75 | Hidden Villa Farm
Acorn Adventure: Intro to Needle Felting
Enjoy Autumn with some outdoor exploration and nature-inspired crafting. We will start with 30 minutes of walking in search of acorn tops followed by 1 hour of needle-felting with wool. Learn the basics of needle felting and how to safely use the tools. Play with ...
Free Outdoor Painting Gathering at the Palace of Fine Arts (SF)
Saturday, October 10 – 10:00 am - Ends at 12:00 pm | Cost: FREE*
*FREE
| Palace of Fine Arts
Free Outdoor Painting Gathering at the Palace of Fine Arts (SF)
Free outdoor painting gathering at the Palace of Fine Arts. Come paint with us. Sign up at Painters Unite to hear about future gatherings. Painters Unite is a free gathering for anyone who wants to slow down and paint outdoors, together. No class, no pressure, nothing for ...
Golden Gate Park “Singing in the Park” Community Party (SF)
Saturday, October 10 – 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: Spiders
Saturday, October 10 – 10:30 am - Ends at 12:30 pm | Cost: $25*
*$25 Adults, $35 kids aged 3-8, Members get $15 off per ticket
| Chabot Space & Science Center
Family Nature Adventures: Spiders
$25 Adult, $35 Kids (Age 3-8), Members get $15 off per ticket Your Ticket Includes Center Admission – a $19-24 Value Per Ticket! Buy Tickets   Explore, learn, and connect with nature during Family Nature Adventures! Join us every 2nd Saturday March – November for an unforgettable journey into the stunning ...
2026 Woodside Day of the Horse: Free Horse Fair (Oct. 10-11)
Saturday, October 10 – 11:00 am - Ends at 6:00 pm | Cost: FREE*
*Progressive Trail Ride: $40-130 / The Family-fun Horse Fair is FREE.
| Woodside Town Hall
2026 Woodside Day of the Horse: Free Horse Fair (Oct. 10-11)

Oct. 10, 11am-6pm / Oct. 11, 10:30am-1:30pm Join us for a celebration of our equine friends. This year’s theme is “Year of the Fire Horse” Enjoy a glimpse of rural America right here in Silicon Valley! PROGRESSIVE TRAIL RIDE (Sat. Oct 10, 11am-2pm) AFTER PARTY ...

Sunday, October 11

Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)
Sunday, October 11 – 9:45 am - Ends at 11:00 am | Cost: FREE | Lower Nob Hill Neighborhood/Another Cafe
Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)

Lower Nob Hill Weekly Cleanup Sundays, 9:45 AM to 11:00 AM Meet outside Another Cafe at 1191 Pine St Grab a picker, meet the people on your block, and leave the sidewalks cleaner than you found them. We provide all the supplies: grabbers, bags, gloves, ...Every Sunday

2026 Woodside Day of the Horse: Free Horse Fair (Oct. 10-11)
Sunday, October 11 – 10:30 am - Ends at 1:30 pm | Cost: FREE*
*Progressive Trail Ride: $40-130 / The Family-fun Horse Fair is FREE.
| Woodside Town Hall
2026 Woodside Day of the Horse: Free Horse Fair (Oct. 10-11)

Oct. 10, 11am-6pm / Oct. 11, 10:30am-1:30pm Join us for a celebration of our equine friends. This year’s theme is “Year of the Fire Horse” Enjoy a glimpse of rural America right here in Silicon Valley! PROGRESSIVE TRAIL RIDE (Sat. Oct 10, 11am-2pm) AFTER PARTY ...

Angel Island’s Victorian Sundae Social Mark your calendars! Sunday, October 11, join us at Ayala Cove for Sundae Social — a Victorian Picnic and Fundraiser for Camp Reynolds. Ice cream and other delicious treats for will be for sale. Enjoy live music, games and volunteers in period attire. Adult Paper Ticket (ages ...
Bay Area’s Oktoberfest 2026 (Crockett)
Sunday, October 11 – 12:00 pm - Ends at 5:00 pm | Cost: FREE | Bay Area's Oktoberfest 2026 Crockett, California
Bay Area's Oktoberfest 2026 (Crockett)
5th Annual Return of the Bay Area’s Oktoberfest 2026! Live Music • Family Fun • Free Admission Location: 628 2nd Ave., Crockett, CA 🅿️ Parking: Street parking available Additional parking at Carquinez Middle School ️ Admission: FREE to attend! Family-friendly • All ages welcome What to Expect Celebrate Oktoberfest in true Bavarian style with a full ...

Saturday, October 17

Free 2026 Recycling Day: Family Fun + Waste Reduction (San Carlos)
Saturday, October 17 – 10:00 am - Ends at 1:30 pm | Cost: FREE*
*Free event. Registration required. Walk-ins limited.
| Shoreway Environmental Center
Free 2026 Recycling Day: Family Fun + Waste Reduction (San Carlos)
Join us for our 11th Annual Rethink Recycling Day! It’s a fun, family-friendly celebration focused on sustainability, creativity, and community. RethinkWaste is hosting its 11th annual Rethink Recycling Day (RRD) in-person at the Shoreway Environmental Center in San Carlos! Rethink Recycling Day originated from America Recycles ...
Free Spooky Jeopardy-Style Trivia Night (Palo Alto)
Saturday, October 17 – 3:00 pm - Ends at 4:00 pm | Cost: FREE*
*RSVP required
| Environmental Volunteers EcoCenter
Free Spooky Jeopardy-Style Trivia Night (Palo Alto)
Grab some friends and test your spooky knowledge at our Jeopardy-themed trivia night in the Baylands! Join us for a fun afternoon of trivia featuring categories about Halloween, spooky nature facts, ghost stories, and more! Bring your friends and form a team, or come solo and ...
“Sanctuary” Exhibition Opening
Saturday, October 17 – 5:00 pm - Ends at 8:00 pm | Cost: FREE | CK Contemporary
"Sanctuary" Exhibition Opening
“Sanctuary” brings together the large-scale landscape paintings of William Nichols and the emotionally charged pencil drawings of Sara Gallagher in an exhibition exploring nature as a site of refuge, restoration, and human connection. The exhibition opens with a reception on Saturday, October 17th from 5-8 PM. ...
Twilight Nature Walk at the Baylands (Palo Alto)
Saturday, October 17 – 5:00 pm - Ends at 6:30 pm | Cost: FREE | Environmental Volunteers EcoCenter
Twilight Nature Walk at the Baylands (Palo Alto)
Bats, birds, and other spooky critters! A twilight exploration of this unique habitat is not to be missed! What’s happening Nature enthusiasts of all ages are invited to join our Twilight Nature Walk led by one of our friendly and knowledgable docents. An expert naturalist will lead ...

Sunday, October 18

Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)
Sunday, October 18 – 9:45 am - Ends at 11:00 am | Cost: FREE | Lower Nob Hill Neighborhood/Another Cafe
Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)

Lower Nob Hill Weekly Cleanup Sundays, 9:45 AM to 11:00 AM Meet outside Another Cafe at 1191 Pine St Grab a picker, meet the people on your block, and leave the sidewalks cleaner than you found them. We provide all the supplies: grabbers, bags, gloves, ...Every Sunday

The 5th Annual Berkeley Bird Festival
Sunday, October 18 – 12:00 pm - Ends at 5:00 pm | Cost: FREE*
*Advanced Registration Required for Birding Field Trips
| The David Brower Center + Various Parks in Berkeley
The 5th Annual Berkeley Bird Festival
The Berkeley Bird Festival Sunday, October 18th berkeleybirdfestival.org The David Brower Center | 2150 Allston Way, Berkeley  (12-5pm) Birding Field Trips | Various Parks Around Berkeley (8am-5pm) Free | Family-Friendly | All Ages Every bird holds a memory. Every memory holds a meaning. Across different cultures and communities, across time ...

Wednesday, October 21

Bat Week Screening of ‘The Invisible Mammal’
Wednesday, October 21 – 6:00 pm - Ends at 8:00 pm | Cost: FREE | Burlingame Recreation Center
Bat Week Screening of 'The Invisible Mammal'
Award-winning documentary highlights global bat extinction crisis The Citizens Environmental Council invites you to a free screening of an award-winning documentary highlighting the fight to save North American bats on Wednesday, October 21, from 6 to 8 p.m. at the Burlingame Community Center at 850 Burlingame Ave. ...

Saturday, October 24

44th Annual Sandcastle Classic: 100+ Teams Build Giant Sculptures (Ocean Beach)
Saturday, October 24 – 11:30 am - Ends at 3:00 pm | Cost: FREE | Ocean Beach (Balboa)
44th Annual Sandcastle Classic: 100+ Teams Build Giant Sculptures (Ocean Beach)

Join us for the 44th Annual Sandcastle Classic! WHEN: Saturday, October 24, 2026 | 11 AM–3:30 PM WHERE: Ocean Beach, SF (@ Balboa St) | FREE & family-friendly Watch 100+ teams of architects, designers, engineers, and students bring our “Bay Area Vibes” theme to life ...

Free Giant Sand Painting: Community Art on the Beach (Ocean Beach)
Saturday, October 24 – 3:00 pm - Ends at 5:00 pm | Cost: FREE*
*registration needed, donations accepted
| Kelly's Cove, Ocean Beach, below the Cliff House
Free Giant Sand Painting: Community Art on the Beach (Ocean Beach)
Join us for a free, drop-in community art event on the beach! Once a month, weather and tides permitting, we come together to create an enormous, temporary sand painting. No experience necessary, just bring your enthusiasm. I’ll provide the tools and you bring the creativity. ...
Hike & Sip
Saturday, October 24 – 5:00 pm - Ends at 7:00 pm | Cost: $40*
*$40, 21+
| Chabot Space & Science Center
Hike & Sip
Halloween Hike! Adults 21+, $40, Members receive $15 off Immersive Trek   As the sun dips below the horizon and shadows stretch through the forest, the Halloween Hike begins! Join us for a moderate, 75–90 minute spine-tingling adventure through the darkened trails of the majestic Oakland Redwood forest, where ...

Sunday, October 25

Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)
Sunday, October 25 – 9:45 am - Ends at 11:00 am | Cost: FREE | Lower Nob Hill Neighborhood/Another Cafe
Lower Nob Hill Weekly Cleanup w/ Free Lunch for Volunteers (SF)

Lower Nob Hill Weekly Cleanup Sundays, 9:45 AM to 11:00 AM Meet outside Another Cafe at 1191 Pine St Grab a picker, meet the people on your block, and leave the sidewalks cleaner than you found them. We provide all the supplies: grabbers, bags, gloves, ...Every Sunday

Yoga in Francisco Park
Sunday, October 25 – 10:00 am - Ends at 12:00 pm | Cost: FREE | Francisco Park
Yoga in Francisco Park
Join us for a community yoga session on Sunday, October 25 with yoga instructor Lucy Marr @lucymarrandthestars from Nob Hill Yoga @nobhillyoga from 10-11am. Bring a friend, a yoga mat/towel, and an extra layer for a relaxing yoga session. All levels are welcome. Suggested donation: $10+ No ...