Location: Depot Park - Duvall, WA26219 NE Burhen WayDuvall, WA, 98019United StatesSee map: Google MapsPhone:425-788-1185 2025 Earth and Arbor Day Festival Dates: 04/19/2025Time: 11am Organization: National Park ServiceLocation: 1849 C St NWWashington, DC, 20240United StatesSee map: Google MapsPhone:202-208-6843 2025 Free Entrance Days in the National ParksDates: 04/19/202506/19/202508/04/2025Show more datesHide these dates09/27/202511/11/2025Time: See website for details. Location: Pickering Barn - Issaquah, WA1730 10th Avenue NorthwestIssaquah, WA, 98027United StatesSee map: Google MapsPhone:425-837-3000 3rd Annual Sustainability Fair at Pickering BarnDates: 04/26/2025Time: 9 am - 12 pm Organization: Alpengirl CampLocation: 214 E Mendenhall StBozeman, MT, 59715United StatesSee map: Google MapsPhone:406-570-6312 Alpengirl Adult Women's AdventuresDates: 08/20/202508/21/202508/22/2025Show more datesHide these dates08/23/202508/24/202508/25/202508/26/202508/27/202508/28/202508/29/202508/30/202508/31/202509/01/202509/02/202509/03/202509/04/202509/05/202509/06/202509/07/202509/08/202509/09/202509/10/202509/11/202509/12/202509/13/202509/14/202509/15/202509/16/202509/17/202509/18/2025Time: 8:00AM Location: Beaver Lake Park Lodge - Sammamish, WA25101 SE 24th StSammamish, WA, 98075United StatesSee map: Google MapsPhone:(425) 295-0500 City of Sammamish Earth Day Celebration at Beaver Lake ParkDates: 04/19/2025Time: 11am - 2pm Organization: Freeway Park AssociationLocation: 700 Seneca StSeattle, WA, 98101United StatesSee map: Google Maps Earth Day 2025 | Freeway Park AssociationDates: 04/22/2025Time: 12:00-1:30 PM Organization: Cougar Mountain ZooLocation: 19525 SE 54th StIssaquah, WA, 98027United StatesSee map: Google MapsPhone:(425) 391-5508 Earth Day at Cougar Mountain ZooDates: 04/19/2025Time: See website Organization: Bill & Melinda Gates Foundation Discovery CenterLocation: 440 5th Ave NSeattle, WA, 98109United StatesSee map: Google MapsPhone:(206) 709-3100 Earth Day Celebration at the Discovery CenterDates: 04/26/2025Time: 10 am - 3 pm Location: Magnuson Park - Seattle, WA7400 Sand Point Way NESeattle, WA, 98115United StatesSee map: Google MapsPhone:(206) 684-4946 Earth Day Run at Magnuson ParkDates: 04/19/2025Time: 10am Location: Mill Creek City Hall North - Bothell, WA15720 Main StMill Creek, WA, 98012United StatesSee map: Google MapsPhone:(425) 745-1891 Earth Day, North Creek Trail CleanupDates: 04/26/2025Time: 9 am - 12 pm Location: Seattle Convention Center705 Pike StreetSeattle, WA, 98101United StatesSee map: Google MapsPhone:936-320-0030 Jurassic Quest - Seattle, WADates: 04/04/202504/05/202504/06/2025Time: See schedule Location: Mercer Island Community and Event Center8236 SE 24th StMercer Island, WA, 98040United StatesSee map: Google MapsPhone:(206) 275-7609 Leap For Green Sustainability FairDates: 04/05/2025Time: 10am - 1pm Organization: Pacific Science Center - SeattleLocation: 200 Second Avenue North Pacific Science CenterSeattle, WA, 98109United StatesSee map: Google MapsPhone:(206) 443-2001 Pollinator Path - Pacific Science CenterDates: 03/30/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/09/202504/10/202504/11/202504/12/202504/13/202504/16/202504/17/202504/18/202504/19/202504/20/202504/23/202504/24/202504/25/202504/26/202504/27/202504/30/202505/01/202505/02/202505/03/202505/04/202505/07/202505/08/202505/09/202505/10/202505/11/202505/14/202505/15/202505/16/202505/17/202505/18/202505/21/202505/22/202505/23/202505/24/202505/25/202505/28/202505/29/202505/30/202505/31/202506/01/202506/04/202506/05/202506/06/202506/07/202506/08/202506/11/202506/12/202506/13/202506/14/202506/15/202506/18/202506/19/202506/20/202506/21/202506/22/202506/25/202506/26/202506/27/202506/28/202506/29/202507/02/202507/03/202507/04/202507/05/202507/06/202507/09/202507/10/202507/11/202507/12/202507/13/202507/16/202507/17/202507/18/202507/19/202507/20/202507/23/202507/24/202507/25/202507/26/202507/27/202507/30/202507/31/202508/01/202508/02/2025Time: See website Location: Various locations around the Skagit Valley. See the Skagit Valley Tulip Festival website for locationsSkagit Valley, WA, 98221United StatesSee map: Google Maps Skagit Valley Tulip Festival 2025Dates: 04/01/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/07/202504/08/202504/09/202504/10/202504/11/202504/12/202504/13/202504/14/202504/15/202504/16/202504/17/202504/18/202504/19/202504/20/202504/21/202504/22/202504/23/202504/24/202504/25/202504/26/202504/27/202504/28/202504/29/202504/30/2025Time: See website Location: W.W. Seymour Conservatory - Tacoma, WA316 South G StTacoma, WA, 98405United StatesSee map: Google MapsPhone:(253) 305-1000 Spring Flower Exhibit: Sitting in the Garden | W.W. Seymour ConservatoryDates: 03/30/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/09/202504/10/202504/11/202504/12/202504/13/2025Time: See website Organization: Pacific Science Center - SeattleLocation: 200 Second Avenue North Pacific Science CenterSeattle, WA, 98109United StatesSee map: Google MapsPhone:(206) 443-2001 Tropical Butterfly House - Pacific Science CenterDates: 03/30/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/09/202504/10/202504/11/202504/12/202504/13/202504/16/202504/17/202504/18/202504/19/202504/20/202504/23/202504/24/202504/25/202504/26/202504/27/202504/30/202505/01/202505/02/202505/03/202505/04/202505/07/202505/08/202505/09/202505/10/202505/11/202505/14/202505/15/202505/16/202505/17/202505/18/202505/21/202505/22/202505/23/202505/24/202505/25/202505/28/202505/29/202505/30/202505/31/202506/01/202506/04/202506/05/202506/06/202506/07/202506/08/202506/11/202506/12/202506/13/202506/14/202506/15/202506/18/202506/19/202506/20/202506/21/202506/22/202506/25/202506/26/202506/27/202506/28/202506/29/202507/02/202507/03/202507/04/202507/05/202507/06/202507/09/202507/10/202507/11/202507/12/202507/13/202507/16/202507/17/202507/18/202507/19/202507/20/202507/23/202507/24/202507/25/202507/26/202507/27/202507/30/202507/31/202508/01/202508/02/2025Time: Open 10 a.m. to 5 p.m. (last admission at 4 p.m.) Snowshoeing and Cross Country Skiing Near Seattle
