Potomac River Watershed Clean-up
Seneca Landing Park Riley's Lock Road, Poolesville, MDSeneca Landing Park @ Riley's Lock Poolesville MD The Canoe Cruisers Association will be hosting the annual April Potomac Watershed Cleanup at Seneca Landing on Saturday, April 15, 2023. Using our own boats we willpick up trash from Seneca Creek and the nearby Potomac River.