Sat 9–11 am

Potomac Monster Trash Bash at Anacostia Park

Anacostia Park · Anacostia · Check price · ★ 4.5 (1842)

Pull costumes over your work gloves and help scrub Halloween grime out of the Anacostia this Saturday.

Potomac Conservancy hosts a Halloween-themed volunteer trash cleanup at Poplar Park along the Anacostia River to help make the river swimmable and fishable.

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Updated Friday, October 30, 2026 · real listings, pulled from 130+ sources and reviewed by a person.

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