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: 04/24/202504/25/2025Time: 9 am - 12 pm Organization: Harper's PlaygroundLocation: N Delaware Ave & N Bryant StPortland, OR, 97217United StatesSee map: Google MapsPhone:(503) 730-5445 Harper's Playground 15th Birthday Party!Dates: 06/01/2025Time: 11 am - 2 pm Location: First Congregational Church United Church of Christ - Hillsboro, OR494 E Main StHillsboro, OR, 97123United StatesSee map: Google MapsPhone:(503) 640-6145 Tidy Up Downtown Hillsboro - Third Monday | Hillsboro Downtown PartnershipDates: 06/16/2025Time: See website 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!
