Location: Willamette Park - West Linn, OR1100 12th StreetWest Linn, OR, 97068United StatesSee map: Google MapsPhone:503-657-0331 Earth Day Work Day - West Linn Parks & RecreationDates: 04/19/2025Time: 9 am - 12 pm Organization: Hoyt Arboretum in Washington ParkLocation: 4000 SW Fairview BlvdPortland, OR, 97221United StatesSee map: Google MapsPhone:503-865-8733 Earth Week Volunteer Crews! Hoyt ArboretumDates: 04/22/202504/23/202504/24/2025Show more datesHide these dates04/25/2025Time: 9 am - 12 pm Location: Cannery Square - Sherwood, OR22622 SW Pine StSherwood, OR, 97140United StatesSee map: Google MapsPhone:(503) 625-5522 Trashpalooza! Earth Day CelebrationDates: 04/19/2025Time: 10am Location: Wilsonville Community Center - Wilsonville, OR7965 SW Wilsonville RdWilsonville, OR, 97070United StatesSee map: Google MapsPhone:(503) 570-1502 W.E.R.K. Day & Earth Day Celebration - Wilsonvile Parks and RecDates: 05/10/2025Time: See website Discover Monroe County's Library System: FAR More than You Think! I Love My Parks Day!