Help Nature Thrive in the Presidio!
2026-03-21 09:00 - 12:00, 2026-03-28 09:00 - 12:00, 2026-04-04 09:00 - 12:00, 2026-04-11 09:00 - 12:00, 2026-04-18 09:00 - 12:00, 2026-04-25 09:00 - 12:00 (America/Los_Angeles) | Presidio Visitor Center, Lincoln Boulevard 210, San Francisco, CA, 94129, United States
Join the Presidio Habitat Stewards to help care for San Francisco’s natural areas. Activities may include planting, watering, weeding, and mulching to restore the park’s creeks, dunes, grasslands, and woodlands—while learning about the native plants and animals that call the Presidio home.
It’s a fun, educational way for families and nature lovers of all ages to make a difference!Meeting details will be provided in your registration confirmation email.
This is a cross-posted event. Check the original listing for updates and cancellations.
Learn more and register >

Beginning Birding
2026-03-21 10:00 - 12:00 | Garden For the Environment, 1590 7th Avenue, San Francisco, CA, 94122, United States
Discover the joy of birdwatching right here in the city! Join Garden for the Environment for a hands-on workshop exploring the birds that live among us in San Francisco. Learn how to identify common local species, understand their role in urban ecosystems, and see how gardens can create healthy habitats for wildlife. The workshop includes a guided walk through the garden to observe birds in action. Binoculars encouraged, but some will be available to borrow.
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Teen Gardening at Merced Branch Library
2026-03-21 11:00 - 12:00, 2026-03-28 11:00 - 12:00, 2026-04-04 11:00 - 12:00, 2026-04-11 11:00 - 12:00, 2026-04-18 11:00 - 12:00 | Merced Branch Library, 155 Winston Dr, San Francisco, California, 94132, United States
De–stress and enjoy the fresh air. Garden with the Library. For ages 13–18. Note:
This event is cross-posted from the SF Public Library website. Please check the Library events calendar posting for full details and any cancellations.

Meet the Animal Keepers @ Randall Museum
2026-03-21 11:30 - 12:30, 2026-03-28 11:30 - 12:30, 2026-04-04 11:30 - 12:30, 2026-04-11 11:30 - 12:30, 2026-04-18 11:30 - 12:30 | Randall Museum, Museum Way, San Francisco, CA, 94114, United States
Venture into the Randall Museum’s live animal exhibit, Wild in California, and join one of the animal keepers in an open discussion about the museum’s wildlife residents. Learn how the keepers care for the animals and how and where these creatures live in the wild. Kids and families will meet some of the animals up-close and can ask the keeper questions to find out more about their favorites. Visitors can meet a snake, check out a barn owl, or maybe even touch a tortoise.
This is a FREE drop-in event on Saturdays at 11:30am.
Learn more >

Spring Fling
2026-03-31 11:00 - 15:00 | Croker Amazon Park, 799 Moscow, San Francisco, CA, 94112
Join Rec and Park’s annual Spring Fling is returning to the Crocker Amazon Park. Come for a fun afternoon of carnival rides, games, live entertainment, arts and crafts, food trucks, and an egg hunt!
Learn more and register>>

City Nature Challenge Bioblitz at Yerba Buena Island 2026!
2026-04-01 09:30 - 13:00 | Yerba Buena Island
Join Treasure Island Development Authority, SFE, and Cal Academy on Yerba Buena Island to participate in the 11th international Bioblitz to identify local flora and fauna using the iNaturalist app!
Our goal is to capture data by taking pictures of existing wildlife to highlight the importance of green spaces and healthy ecosystems in San Francisco, especially in our Environmental Justice communities.
Learn more and register>>

FREE Seed & Plant Start Giveaway
2026-04-04 10:00 - 14:00 | McLaren Park Community Garden, 599 Leland Avenue, San Francisco
The SF Rec & Park Urban Agriculture program helps people grow food, flowers, and plants in the city. Come out for the FREE seed & plant start giveaway + gardening advice from the UC Master Gardeners
Location: McLaren Park Community Garden (599 Leland Avenue) GOOGLE MAPS and APPLE MAPS

Learn More >

Spring Fling
2026-04-04 11:00 - 15:00 | Croker Amazon Park, 799 Moscow, San Francisco, CA, 94112
Join Rec and Park’s annual Spring Fling at Crocker Amazon Park. Come for a fun afternoon of carnival rides, games, live entertainment, arts and crafts, food trucks, and an egg hunt!
Learn more and register>>

Swing into Stories @ Garfield Playground
2026-04-07 09:30 - 12:00 | Garfield Playground, 3100 26th St, San Francisco, CA, 94110, United States
The Library’s YouthMobile is coming to the park! Movement and play are essential building blocks in fostering literacy and a love of reading. Join us for a high-energy storytime in our beautiful outdoors!
The YouthMobile offers a diverse selection of children’s library materials available for check-out with an SFPL library card. From the City’s only kid-focused bookmobile, we circulate materials, create library cards and provide the public with information about library services and programs. Come aboard and see what we have!
Tuesdays from 9:30 a.m.–12 noon.
Storytime at 10:30 a.m.
+++
1st Tuesday of the month
Garfield Playground (Treat & 26th Streets)
2nd Tuesday of the month
Koret Playground (Golden Gate Park, by the carousel)
3rd Tuesday of the month
Hilltop Playground (Newcomb Ave & Whitney Young Circle)
4th Tuesday of the month
Redwood Grove Playground (McLaren Park, 200 John F. Shelley Dr.)
More info >

Swing into Stories @ Koret Playground (Golden Gate Park)
2026-04-14 09:30 - 12:00 | Koret Playground @ Golden Gate Park, Koret Children's Quarter Playground, Martin Luther King Jr Dr & Bowling Green Dr,, San Francisco, CA, 94117, United States
The Library’s YouthMobile is coming to the park! Movement and play are essential building blocks in fostering literacy and a love of reading. In partnership with the SF Rec & Park, we bring stories and song to our City’s beloved parks. Join us for a high-energy storytime in our beautiful outdoors!
The YouthMobile offers a diverse selection of children’s library materials available for check-out with an SFPL library card. From the City’s only kid-focused bookmobile, we circulate materials, create library cards and provide the public with information about library services and programs. Come aboard and see what we have!
Tuesdays from 9:30 a.m.–12 noon.
Storytime at 10:30 a.m.
1st Tuesday of the month
Garfield Playground (Treat & 26th Streets)
2nd Tuesday of the month
Koret Playground (Golden Gate Park, by the carousel)
3rd Tuesday of the month
Hilltop Playground (Newcomb Ave & Whitney Young Circle)
4th Tuesday of the month
Redwood Grove Playground (McLaren Park, 200 John F. Shelley Dr.)
More info >

Birding the Hill @ Randall Museum
2026-04-18 08:00 - 10:00 | Randall Museum, Museum Way, San Francisco, CA, 94114, United States
Join the Randall Museum’s Birder-in-Residence on the third Saturday of each month to explore the hill at Corona Heights and check out its avian residents and seasonal visitors. Birders will circle the hill to look into several habitats, each of which is enjoyed by different bird species. The east canyon, the south cliffs, the north forest, and the hilltop grasslands will all be explored. The walk is geared towards beginning to intermediate birders, but all are welcome. The walk lasts about 2 hours and includes several stairs and a steep path to climb. Meet in Randall Museum’s parking lot at 8am: 199 Museum Way, San Francisco, CA.
When: Third Saturday of the Month 8am – 10am
Where: Meet in the Randall Museum’s Parking Lot: 199 Museum Way, San Francisco, CA
Cost: FREE but registration is required.
Ages: Best for ages 10 and older
Learn more and register >>

Randall Museum Presents Bug Day
2026-04-18 10:00 - 14:00 | Randall Museum, Museum Way, San Francisco, CA, 94114, United States
Join the Randall Museum for a free family-fun festival exploring the incredible world of insects with hands-on science and art activities, games, entertainment, and more!
Learn More and Register >>

2026 Earth Day Festival & Green Business Expo
2026-04-18 12:00 - 15:00 | Yerba Buena Gardens, 750 Howard Street, San Francisco, CA, 94103
Celebrate Earth Month at the Yerba Buena Gardens 2026 Earth Day Festival on Saturday, April 18 from 12–3 PM. This free community event will feature a Green Business Expo, live music, food, family-friendly activities, and opportunities to explore sustainable products and services from local businesses.

Learn more and Register>

Rock Balancing Gathering San Francisco 18th Edition
2026-04-19 13:00 - 15:30 | Crissy Field, near Warming Hut Park Store, 983 Marine Drive, San Francisco, 94129, United States
Try your hand at the art of rock balancing in this creative, hands-on outdoor gathering at Crissy Field. Learn the basics of balancing stones while exploring themes of patience, play, and connection with the natural world. Instruction will be provided and all skill levels are welcome. This free event invites participants to experiment, collaborate, and enjoy a unique form of nature-inspired art along the San Francisco waterfront.
Learn more and register>

Earth Day with Golden Gate Historic Landscaping and Maintenance
2026-04-22 10:00 - 13:00 | Crissy Field Marsh, San Francisco, CA, 94129, United States
Celebrate Earth Day at Crissy Field! Help restore and maintain historic landscapes and cultural resources along the shoreline of San Francisco by supporting with vegetation removal, native planting, beach clean-up, and sand removal.
Learn more and register>>

EcoCenter 16th Anniversary Celebration
2026-04-25 10:00 - 13:00 | The EcoCenter at Heron’s Head Park, 32 Jennings Street, San Francisco, CA, 94124, United States
Celebrate the 16th Anniversary of the EcoCenter at Heron’s Head Park with a day of free, family-friendly activities. Enjoy volunteer projects like habitat restoration and planting, plus birding, nature walks, games, and more. Local organizations will also be on site sharing resources and information.
Learn more and register>

Black Outside
2026-04-25 10:00 - 13:00 | The EcoCenter at Heron’s Head Park, 32 Jennings Street, San Francisco, CA, 94124, United States
Join Black Outside for their inaugural event celebrating community, nature, and connection at the EcoCenter at Heron’s Head Park! Black Outside is dedicated to creating safe, welcoming, and joyful outdoor spaces for Black families across San Francisco.
This free, family-friendly gathering will feature games and activities, eco-workshops, refreshments, and a guided leisure hike. It’s a wonderful opportunity to connect with others, explore nature, and celebrate the EcoCenter’s 16th anniversary together.
Learn more and register>>
