This year’s iteration of the Great Willamette Cleanup will take place on Saturday, October 3rd, 2026. In collaboration with partner organizations spread across the valley, Willamette Riverkeeper will be hosting over a dozen on-water and on-land cleanup events covering all 187 miles of the Willamette River. If you are interested in partnering as a cleanup event host, please reach out to Theresa Tran ([email protected]) or Luke Stuntz ([email protected]) via email.

This event is currently under active planning and development – full details and registration will be made available in August 2026.