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Earth Day is a globally recognized day reminding everyone to pause and appreciate this big beautiful rock we live on and to advocate for its preservation. Whether you curl up with a family-friendly Earth Day movie, or you want to take part in a Seattle-area Earth Day celebration, there are so many ways families can honor the planet we all call home. After all, we only have one!
Earth Day StoryWalk at Lake Wilderness Arboretum, Maple Valley
Date: April 10–30
Cost: Free
Take time to ponder your own relationship with the Earth as you read along to this month’s StoryWalk book selection, “Thank You, Earth,” a love letter to our amazing planet — all while you marvel at the beauty of nature at Lake Wilderness Arboretum.
Earth Day Celebration, Puyallup
Date and time: Saturday, April 12, 11 a.m.–2 p.m.
Cost: Free
Explore the great outdoors, perform nature experiments and score free giveaways at Meridian Habitat Park during a family-friendly day filled with fun and learning.
Earth Day Celebration: Plant for the Planet, Renton
Date: April 15–26
Cost: Free
Stop by the plaza (across from the movie theater) at The Landing and help the environment with a free grow kit as you “plant for the planet” (one kit per person, while supplies last).
Keep Issaquah Beautiful Day, Issaquah
Date and time: Saturday, April 19, 9 a.m.–noon
Cost: Free
Volunteers of all ages are welcome to lend a hand and help keep Issaquah looking its best at this city-wide beautification event, which is followed by a pizza party and live music. Preregister online.
Tacoma Parks Appreciation Day, Tacoma
Date and time: Saturday, April 19, 9 a.m.–noon
Cost: Free
Show appreciation for our beautiful Earth by putting in some work at one of four popular parks in Tacoma. Sign up in advance for a spot to spruce up your local greenspaces.
Earth Day at the Arboretum, Seattle
Date and time: Saturday, April 19, 9 a.m.–1 p.m.
Cost: Free
Gear up for a morning doing some weeding, mulching and invasive plant removal at Washington Park Arboretum (preregister; ages 15 and older to volunteer). Afterwards, look forward to opportunities to learn about pollinators and a chance to building a pollinator hotel (kid-friendly activity). Don’t forget to take time to explore the 230 acres of gardens, trails and natural areas.
Earth Day Run, Kids’ Dash and Tree Giveaway, Seattle
Date and time: Saturday, April 19, 9:45 a.m.–2:15 p.m.
Cost: $32–$42; $6 kids’ dash
Run (or walk) at the Earth Day Run held at Magnuson Park and help the environment! Each finisher will receive a native sapling tree, and an additional tree will be planted for each person who completes the race. Preregister online.
Mukilteo Earth Day, Mukilteo
Date and time: Saturday, April 19, 9 a.m.–1 p.m.
Cost: Free
Do your part to help clean up the community! The City of Mukilteo is organizing the third annual community cleanup event at Lighthouse Park. Families are welcome.

Duwamish Alive Earth Day Volunteer Events, various locations
Date and time: Saturday, April 19, 10 a.m.–2 p.m.
Cost: Free
All ages are welcome to help improve areas of the Green-Duwamish Watershed, which supports five salmon species and other wildlife, at various volunteer parties. Tools and snacks will be provided. Preregister for individual sites.
EarthFest at Bellevue Botanical Garden, Bellevue
Date and time: Saturday, April 19, 11 a.m.–3 p.m.
Cost: Free
Bellevue Botanical Garden makes a beautiful backdrop for the second annual EarthFest boasting all-ages sustainable fun. The whole family will enjoy garden tours, interactive arts booths, clean energy workshops and more.
Earth Day Celebration: Baby Salmon Send Off, Issaquah
Date and time: Saturday, April 19, 10 a.m.–2 p.m.
Cost: Free
Fish fans can pen a letter to the baby salmon wishing them “good luck” at the Issaquah Salmon Hatchery before they are released on their journey to the ocean in May. Then, check out salmon-themed arts and crafts, tour the native plant garden and feed rainbow trout.
Earth and Arbor Day Festival, Duvall
Date and time: Saturday, April 19, 11 a.m.–2 p.m.
Cost: Free
Earth and Arbor Days unite at Depot Park during a festival celebrating our environment with information and activities around sustainability. Take part in a scavenger hunt, build a terrarium, take home trees, shrubs and saplings, and more.
The Good Festival, Tukwila
Date and time: Saturday, April 19, 2–5 p.m.
Cost: Free
Westfield Southcenter celebrates the sustainability efforts of its shopping center and retailers by hosting a festival for the community focused on sustainability, style and self-care. Learn about innovative, earth-friendly products; capture the moment in a photo booth; have a blast in the Lego Kids Build Area, and indulge in a clean beauty makeover with touch-ups from top brands.
Sammamish Earth Day Celebration, Sammamish
Date and time: Saturday, April 19, 11 a.m.–2 p.m.
Cost: Free
Head to Beaver Lake Park for family fun and games, including a petting zoo, a bug and reptile interactive station, crafts and performances.
Earth Day College, Lake Forest Park
Date and time: Saturday, April 19, 3–4 p.m.; Tuesday, April 22, 1–2 p.m.
Cost: Free
Learn how to make art using cut-paper with illustrator Olivia Sua at the Lake Forest Park Library. Olivia will help participants make illustrations of the Earth and lead a discussion about how kids can protect the environment. This event is suitable for kids ages 3–12 with an adult. Space is limited, register online.
Earth Day Celebration at Cougar Mountain Zoo, Issaquah
Date and time: Saturday, April 19, 10 a.m.–4 p.m.
Cost: $15–$18; children younger than 3 are free
Visit your favorite critters at Cougar Mountain Zoo and check out the fun Earth Day activities going on at this annual event. Tickets can be purchased in advance online.

‘All The World’s A Stage’: Earth Day Celebration, Federal Way
Date and time: Saturday, April 19, 10:30 a.m.–1:30 p.m.
Cost: Free
Don’t miss this family-friendly celebration of nature and creativity with hands-on crafts, exciting entertainment and more. This event will have a magic show, local vendors, a paint and plant craft station and a bouncy house!
Park Service Earth Day Celebration, Lynnwood
Date and time: Saturday, April 19, 9 a.m.–noon
Cost: Free
Head to South Lynnwood Park for a chance to beautify the park, make small plant terrariums, pick up a free tree and learn all about how to become a Park Steward. (Scan a QR code online to register for a free tree.)
Earth Day Story Adventure, Renton
Date and time: Monday, April 21, 10:30–11:30 a.m.
Cost: Free
Drop in for stories, movement and science activities with the Environmental Science Center at the Renton Library. For kids ages 2–5 (with an adult).
Washington State Parks Free Day
Date and time: Tuesday, April 22, all day
Cost: Free
Enjoy the beauty and bounty of our natural spaces at one or more of Washington’s 140 state parks. A Discover Pass is not required to park a vehicle at any state park on Earth Day, April 22.
Village at Totem Lake Earth Day Celebration, Kirkland
Date and time: Tuesday, April 22, 4–6 p.m.
Cost: Free
Sign the “I Pledge” banner, grab a wildflower seed bomb and check out the Recycle Sorting Station at this family-friendly Earth Day celebration.
Chalk Walk at Si View Park, North Bend
Date and time: Friday, April 25, 1–5 p.m.
Cost: Free
Gather a group and muster up some creative juices to create Earth Day art with chalk along the paved trail at Si View Park. Take a photo and enter it for exciting prizes. Preregistration is required.
PlayGarden Earth Day Celebration, Seattle
Date and time: Saturday, April 26, 10 a.m.–1 p.m.
Cost: Free
Head to the PlayGarden for Earth Day festivities including visiting with animals, refilling the worm bin, sprucing up the garden, relay races and more.
Earth Day Celebration at the Gates Discover Center, Seattle
Date and time: Saturday, April 26, 10 a.m.–3 p.m.
Cost: Free
All-ages are welcome at this inspiring Earth Day event focused on innovation, sustainability and action. You’ll want to check out The Innovation Showcase which highlight cutting-edge projects supported by the Gates Foundation; the Sanitation and Climate Impact tour; and the many hands-on activities that let you learn, create and take action! RSVP is requested, but not required.
Ladybug Festival: An Earth Day Celebration, Seattle
Date and time: Saturday, April 26, 2–4 p.m.
Cost: Free
Witness the release of ladybugs in the Garfield Community Center Garden while you learn about the importance of these and other pollinators to our environment through fun hands-on activities.

Issaquah Sustainability Fair, Issaquah
Date and time: Saturday, April 26, 9 a.m.–2 p.m.
Cost: Free
The City of Issaquah is holding the third annual Sustainability Fair at Pickering Barn. The whole family will have fun checking out an e-bike display and test rides, sock mending class, clothing swap, a variety of live demos and so much more!
Grow Your Own Salad, Newcastle
Date and time: Saturday, April 26, 3–4 p.m.
Cost: Free
Join garden educator and author, Lisa Taylor, for songs and hands-on learning about growing your own food. All materials are provided, and all ages are welcome. While the event is free, space is limited. Tickets will be available at the information desk 30 minutes before the event, so get there early!
Snohomish Earth Day Community Celebration, Snohomish
Date and time: Saturday, April 26, 1–4 p.m.
Cost: Free
Snohomish has a slew of activities planned at the Carnegie including stories, community art, and more. The fun kicks off at 1 p.m., and community members can submit sustainability tips online to enhance our planet’s sustainability efforts.
South Sound Sustainability Expo, Tacoma
Date and time: Saturday, April 26, 10 a.m.–3 p.m.
Cost: Free
Designed for the whole family, South Sound Sustainability Expo is the region’s largest community celebration of all things sustainable. Kids (and adults) will love the vendors, activities and displays showcasing regional organizations working to improve the environmental sustainability and resiliency of our region.
Earth Day at 21 Acres, Woodinville
Date and time: Saturday, April 26, 9:30 a.m.–3 p.m.
Cost: Free
Roll up your sleeves and help out with some volunteer projects at this agroecological farm (ages 13 years and older). Work alongside knowledgeable staff on a variety of seasonal restoration and farm projects, and learn how regenerative farming and strong local food systems are climate solutions. Stick around after the volunteer event for a farm tour and shop at the local Farm Market. Preregister for the work party and farm walk online.
Earth Day Celebration, Des Moines
Date and time: Sunday, April 26, 10 a.m.–3 p.m.
Cost: Free
Check out live marine animals, crafts for kids and guided nature hikes at Saltwater State Park during the free family-friendly Earth Day event. RSVP online.
Auburn Earth Day Clean Sweep, Auburn
Date and time: Saturday, April 26, 9 a.m.–noon
Cost: Free
Sign up for a spot at Auburn’s cleanup event to help keep its parks shipshape! Start the morning off with a free welcome breakfast (7:30–8:30 a.m.) at the Auburn Community & Events Center. Projects kick off at 9 a.m. Preregister online by April 23.
Kenmore Earth Day Event, Kenmore
Date and time: Saturday, April 26, 11 a.m.–2 p.m.
Cost: Free
Take time to appreciate the great outdoors by bringing the fam to Rhododendron Park, where there will be all-ages activities, vendor booths, volunteer opportunities and a work party.

Burien Clean Sweep, Burien
Date and time: Saturday, April 26, 9 a.m.–noon
Cost: Free
Help beautify Burien! Sign up for a stretch of road or a section of blocks and put your litter-busting skills to work. The day starts at 7:30 a.m. at Discover Burien office where each crew will select from the designated areas. Your shift ends with a free to-go lunch.
Earth Day Expo, Bainbridge Island
Date and time: Saturday, April 26, 10 a.m.–2 p.m.
Cost: Free
Think green! Head to Battle Point Park for this Earth Day Expo and join a community effort to make positive changes for our environment. Take part in naturalist-led walks and other family-friendly activities. You can also grab a bite and enjoy live music.
Energy Block Party, Everett
Date and time: Saturday, April 26, 10 a.m.–2 p.m.
Cost: Free
Kids will have a blast checking out an electric vehicle car show and experiencing “Truckstravaganza,” where they can see utility trucks and first-responder up close. The fun is all part of Snohomish Public Utilities’ Earth Day celebration.
Earth Day Celebration at Bloedel Reserve, Bainbridge Island
Date and time: Sunday, April 27, 10 a.m.–2 p.m.
Cost: Included with admission ($5–$22; ages 4 and younger free) or membership
Enjoy nature-focused activities for kids, food vendors and a plant sale at this fun, family-friendly Earth Day celebration. Activities for kids include leaf rubbing and rock art, lawn games and guided nature walks. Coffee, donuts and pizza will be available for purchase.
Let’s Celebrate Earth Day at Green Apple Alpacas, Auburn
Date and time: Sunday, April 27, 11 a.m.–12:30 p.m.
Cost: $20
Head to Green Apple Alpacas for a fun day on the farm. You can make a seed bomb, meet farm animals, plant a flower, hear a story and play on the farm. This event is for kids ages 1–6 with an adult, get your tickets online.
More ways to celebrate Earth Day, every day: |
Editor’s note: This article was originally published in April 2021 and was most recently updated on April 11, 2025 by ParentMap’s associate editor, Kari Hanson. In addition to verifying event information, she added new Earth Day events and activities for Seattle-area families to the article.