Little Falls Dam – Crossing Over the C&O Canal loop from Cabin John

Francis Scott Key Bridge – Horseshoe Bend at Great Falls loop from Dupont Circle

Korean War Veterans Memorial – World War II Memorial loop from Potomac

Horseshoe Bend at Great Falls – Pennyfield Lock loop from Cabin John

Crossing Over the C&O Canal – Francis Scott Key Bridge loop from Dupont Circle

Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

Seneca Quarry Stone Mill Ruins – Historic White’s Ferry (Out of service) loop from Seneca

Pennyfield Lock – Seneca Quarry Stone Mill Ruins loop from Pennyfield Lock Neighborhood Conservation Area

Swains Lock – Pennyfield Lock loop from Potomac

Horseshoe Bend at Great Falls – Swains Lock loop from Cabin John

Horseshoe Bend at Great Falls – Widewater loop from Watts Branch

U.S. Capitol – Horseshoe Bend at Great Falls loop from Rockville

Herndon Caboose Park – Green Lizard Cycling, Herndon loop from Reston Town Center