Lake Needwood Southeast Shore – Rock Creek Trail loop from Washington Grove

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 East Falls Church

Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

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

Catoctin Creek Aqueduct – Monocacy Aqueduct loop from Chesapeake and Ohio Canal National Historical Park

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

Crossing Over the C&O Canal – Francis Scott Key Bridge loop from The Clara Barton House

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

Pennyfield Lock – Black Rock Mill loop from Pennyfield Lock Neighborhood Conservation Area

Swains Lock – Pennyfield Lock loop from Falls Road Golf Course

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