Sat 9–11 am
Watershed Cleanup at Northwest Branch Stream Valley Park
Grab a trash grabber and actually do something about the trash you complain about on your runs.
Meet Saturday, September 26 at 9am at Northwest Branch Stream Valley Park in Colesville, MD; cleanup runs to 11am with gloves, bags, and grabbers provided by Montgomery Parks and partners.
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Updated Tuesday, September 22, 2026 · real listings, pulled from 130+ sources and reviewed by a person.