Earth Day Family Fun in Marin and the Bay Area

Marin & Bay Area Earth Day Family Happenings!

Earth Day 2026 takes place on Wednesday, April 22. Families will find plenty of ways to observe the occasion here in Marin and the Bay Area, and we've created a list of local Earth Day events, crafts, hands-on fun or ways to celebrate nature and the planet.

• Earth EcoFest 2026
  Pacifica State Beach
  Saturday, April 18, 10:30 am–1:30 pm
  EcoFest is a family-friendly Earth Day celebration in Pacifica, where the wonders of the ocean come to life! There’s something for everyone, with more than 30 booths and activities hosted by partners Recology of the Coast, North Coast County Water District, Peninsula Clean Energy, San Mateo County Parks Foundation, the Marine Mammal Center, and more. Event details.

• Earth Day Give & Take: Free Kids' Gear and Clothing
  Christ Presbyterian Church, San Rafael
  Saturday, April 18, 10 am–noon
  Join our mission to support and connect with families in our community. Find free new and gently used Items for kids aged 0-12. All are welcome to come and take what you need for you and your family. No tickets or reservations required. Donations: Thursday, April 16 3:00-7:00pm and Friday, April 17 3:00-5:00pm. Event details.

• Butter & Egg Days Parade and Festival
  Downtown Petaluma
  Saturday, April 18, 10 am–5 pm 
  “Americas’ Birthday – Petaluma Style” celebrates the nation’s 250th Birthday by honoring Petaluma’s deep agricultural roots and hometown spirit.Clover Sonoma returns to lead the Clover Kids’ Parade, which precedes the main parade at 11:30 am with a procession of preschoolers and primary grade youngsters and their families. Event details.

• Earth Day at Safari West
  Santa Rosa, on the lawn
  Saturday, April 18 10 am–3 pm
  Join us as we come together to celebrate Earth Day at Safari West. As valued guests of Safari West, you’re essential partners in our mission to protect and preserve our planet’s precious ecosystems. Immerse yourself in an Earth Day adventure at Safari West before or after your safari as you see our glorious animals! This Earth Day, we’re hosting a special event for our guests, featuring over 40 conservation groups dedicated to safeguarding species worldwide. Explore inspiring organizations committed to conservation and join us in making a difference! Info here.

• Earth Day and EcoFest 2026
  Pillar Point Harbor, Half Moon Bay
  Saturday, April 18, 10:30 am–1:30 pm
  Pacific Beach Coalition’s annual Earth Day EcoFest is a free, family-friendly outdoor community event! Start off the day from 9–11 am at Pillar Point Harbor for a beach cleanup and mini-Eco fest. Naturalists and volunteers from Pacific Beach Coalition, Sea Hugger and the Harbor will be on hand to share information about ocean conservation, habitat restoration and plastic free living. Event details.

• EarthFest 
  San Francisco Zoo
  Saturday & Sunday, April 18 & 19, 11 am–3 pm
  Celebrate Earth Day all weekend long and visit our pop-up village of conservation partners and activities. This year, the Zoo will welcome special guest organizations at its pop-up EarthFest village. The event also features live entertainment by celebrated musicians, Michael John Ahern and Chris Cotruvo, plus activities and more. Event details.

• Earth Day Festival 2026
  Yerba Buena Gardens, San Francisco
  Saturday, April 18, 12–3 pm
  Yerba Buena Gardens celebrates Earth Day! This event is a day-long, family-friendly celebration to learn more about the environment and the importance of sustainability. Discover new sustainable products and services from local Green Businesses while enjoying live music from LoCura and family-friendly DJ Lamont, delicious food, a tree planting demo on our living rooftop, and other educational activities from SF Environment, Yerba Buena Gardens Festival, and partners.Free to attend for all. More info and RSVP

• Earth Day on Fourth Street
  Berkeley
  Saturday, April 18, noon–3:30 pm
  Head to Fourth Street in Berkeley for an afternoon of live music, hands-on activities, and small things to take home. The Three Elements will be playing, and there will be seeds, succulents, and clay pots to decorate and plant. All activities are free. Supplies are limited, so come early. Event details.
• Earth Day at McInnis Park
  McInnis Park, San Rafael
  Sunday, April 19, 9 am–noon
  Celebrate Earth Day by joining us for a park beautification workday. Work will include weeding, mulching, and trash pickup throughout the park and along Las Gallinas Creek. Appropriate for all ages. We'll provide snacks and water. Bring gloves and a water bottle. Friendly dogs are welcome but must be on leash. Registration required. Event details.
• Gerstle Park Earth Day 
  San Rafael
  Sunday, April 19, 10 am–1 pm
  Come celebrate the Earth and San Rafael’s beloved Gerstle Park park and neighborhood on the Sunday before Earth Day.  All are welcome to clean up the park, recycle unwanted items, and enjoy time with neighbors. We’ll also be able to do some composting and planting in the park with plants thanks to the City of San Rafael and support from West End Nursery. Please bring your own water bottle, gloves, trash pickers, rakes, and clippers. Event details.
• Climate Fest
  San Geronimo Valley Community Center 
  Sunday, April 19, 12–4 pm
  Live Music, Good Food, Strauss Ice Cream, Art Exhibits, Youth Climate Action, Food Systems and Farmers Markets and School Gardens. Event details.
• Downtown Clean & Green Day
  San Rafael
  Wednesday, April 22, 10 am–noon
  We’ll be removing graffiti, polishing up parking meters and sidewalk fixtures, pulling spring weeds, beautifying the intersections, and removing every little scrap of litter to help make Downtown match the beautiful merchants and other business owners who make San Rafael such a wonderful place to live. Meet at the City Plaza, 1000 4th Street, to check in and pick up supplies in a safe, outdoor manner. Look for the Business Improvement District canopy! Register here.
• Point Reyes Birding & Nature Festival
  Point Reyes National Seashore and other locations
  Friday, April 24–Sunday, April 26
  The annual Point Reyes Birding & Nature Festival takes place over Earth Day weekend at locations in West Marin and elsewhere in the Bay Area with programs for birders and nature lovers of all ages. Registration required. Event details.
• Earth Day at Tam Valley Community Center
  Mill Valley
  Saturday, April 25, 11 am–3 pm
  Bring the whole family to this year's Earth Day Festival at the Tam Valley Community Center. We have lots of fun activities for the whole family. Activities include: Monach Butterfly learning with Michael Bogart and Mia Monroe with Milweeks seeds, learn how to compost, facepainting, yummy treats and more. Event details.
• Earth Day at Courthouse Square
  Santa Rosa
  Saturday, April 25, noon–4 pm
  This FREE, family-friendly, zero-waste festival brings the community together through fun activities, live performing arts, great food, and inspiring exhibits that raise environmental awareness. Don’t miss this opportunity to celebrate our vibrant city and get involved by learning about solutions to address drought, climate change, and environmental concerns in our community. Event details.
• Earth Day Marin 2026 at the Mill Valley Community Center
  Mill Valley
  Sunday, April 26, noon–3 pm
  Earth Day Marin is a free community event for people of all ages, with green booths, fun activities, art, music, dancing, games and talks in a beautiful outdoor setting. Visit over 50 exhibits hosted by green businesses, environmental and community groups to build a more just and sustainable world. You will learn about clean energy, electric vehicles, green homes, healthy food, resilient communities, climate justice, democracy and more. Event details.
• Family Nature Day
  Richardson Bay Audubon, Tiburon
  Saturday, May 2, 10 am–noon
  Join WildCare in partnership with Richardson Bay Audubon for a Family Nature Day honoring Elizabeth Terwilliger at Richardson Bay Audubon in Tiburon.This is a FREE event and free street parking is available. Bring a picnic to enjoy overlooking Richardson Bay! Event details.

Earth Day Family Scavenger Hunt

• Go on an Earth Day scavenger hunt with the kiddos this week. Get our fun scavenger hunt printable here.
• Kids can become a Junior Explorer with the National Park Service. Find out how here.

Family Spring Hike

• Get outdoors and appreciate the amazing surroundings and views on one of our 6 spectacular spring wildflower hikes.

Crafts

• Earth Day experiments with the Exploratorium. Explore the Earth’s atmosphere and oceans this Earth Day with free, hands-on, teacher-tested activities that use everyday materials and real data sets.
• Paint Kindness Rocks. Go on a hike and collect some interesting rocks. Paint the rocks and add some special words of inspiration. You can also paint rocks as garden markers (i.e. tomatoes, lettuce…).
• Recycled egg carton ladybugs. Get a jump on the spring season with this ladybug craft made from a recycled egg carton. These ladybugs are adorable, easy to make, and of course environmentally friendly. Use colorful paints to brighten and make these cool ladybugs stand out.
• Make a Mini Terrarium. It's fun and easy to create your own world in a recycled glass container and decorate it with found materials. This project is great for all ages!