Événements et activités potomac cleanup à Severn, MD
Tysons Teammates: Arbor Row Stream Valley Trail Cleanup
Sat, May 2, 9:00 AM
McLean · Arbor Row Stream Valley Park
Tysons Teammates: Arbor Row Stream Valley Trail Cleanup
Sat, May 2, 9:00 AM
McLean · Arbor Row Stream Valley Park
PHG Cleanup & Tree Maintenance: Short Line Trail
Sun, Apr 12, 1:00 PM
Catonsville · Little Free Library - Short Line Trail
PHG Cleanup & Tree Maintenance: Short Line Trail
Sun, Apr 12, 1:00 PM
Catonsville · Little Free Library - Short Line Trail
Ward 7 Park Stewards: Marvin Gaye Park Cleanup
Sat, Apr 25, 9:00 AM
Washington · Marvin Gaye Park Bandalong
Ward 7 Park Stewards: Marvin Gaye Park Cleanup
Sat, Apr 25, 9:00 AM
Washington · Marvin Gaye Park Bandalong
Presentation on Our Watershed at Chevy Chase Neighborhood Library
Wednesday at 6:30 PM
Washington · Chevy Chase DC Neighborhood Library
Presentation on Our Watershed at Chevy Chase Neighborhood Library
Wednesday at 6:30 PM
Washington · Chevy Chase DC Neighborhood Library
Washington DC & Arlington Virginia Night Tour
Today at 7:00 PM + 277 en plus
Arlington · US Marine Corps War Memorial
Washington DC & Arlington Virginia Night Tour
Today at 7:00 PM + 277 en plus
Arlington · US Marine Corps War Memorial
Riverbend Park - Fairfax County Watershed Cleanup 2026
Sat, Apr 18, 9:00 AM
Great Falls · Riverbend Park
Riverbend Park - Fairfax County Watershed Cleanup 2026
Sat, Apr 18, 9:00 AM
Great Falls · Riverbend Park
2026 Egypt on the Potomac Field Trip Series
Sat, Oct 3, 10:00 AM + 3 en plus
Washington · Thurgood Marshall Center for Service and Heritage
2026 Egypt on the Potomac Field Trip Series
Sat, Oct 3, 10:00 AM + 3 en plus
Washington · Thurgood Marshall Center for Service and Heritage
Anacostia Plogging Cleanup Series: Anacostia Park
Sat, May 23, 9:30 AM
Washington · Anacostia Park Roller Skating Pavillion
Anacostia Plogging Cleanup Series: Anacostia Park
Sat, May 23, 9:30 AM
Washington · Anacostia Park Roller Skating Pavillion
Volunteer for National Trails Day on the Mount Vernon Trail
Sat, Jun 6, 9:00 AM
Washington · Lyndon Baines Johnson Memorial Grove On The Potomac
Volunteer for National Trails Day on the Mount Vernon Trail
Sat, Jun 6, 9:00 AM
Washington · Lyndon Baines Johnson Memorial Grove On The Potomac
Roundtree Park - Fairfax County Watershed Cleanup 2026
Sat, May 2, 10:00 AM
Falls Church · 3320 Annandale Rd (meet at picnic shelter)
Roundtree Park - Fairfax County Watershed Cleanup 2026
Sat, May 2, 10:00 AM
Falls Church · 3320 Annandale Rd (meet at picnic shelter)
Tysons Teammates: Scotts Run Stream Valley Park Volunteer Cleanup
Wed, Apr 22, 9:00 AM
Tysons · Scott's Run Trail
Tysons Teammates: Scotts Run Stream Valley Park Volunteer Cleanup
Wed, Apr 22, 9:00 AM
Tysons · Scott's Run Trail
Walk in the Woods: Potomac Marble in Dickerson, MD
Sat, Apr 11, 11:00 AM
Dickerson · Dickerson Conservation Park
Walk in the Woods: Potomac Marble in Dickerson, MD
Sat, Apr 11, 11:00 AM
Dickerson · Dickerson Conservation Park
Litter Clean-Ups at Four Mile Run
Sun, Apr 12, 10:00 AM
Alexandria/Arlington · Four Mile Run Park, locations vary by date
Litter Clean-Ups at Four Mile Run
Sun, Apr 12, 10:00 AM
Alexandria/Arlington · Four Mile Run Park, locations vary by date
Earth Day Community Clean-up & Celebration at Kirby Lane Park
Wed, Apr 22, 9:00 AM
Baltimore · 1822 W Saratoga St
Earth Day Community Clean-up & Celebration at Kirby Lane Park
Wed, Apr 22, 9:00 AM
Baltimore · 1822 W Saratoga St
