C and O Canal Headquarters

National Historical Park

The canal headquarters is located in a renovated buiding in Williamsport, Md, adjacent to the canal visitor center and several other canal facilities. The headquarters moved from an office building in Hagerstown, Md., to be closer to the canal and its activities.

Interactive Maps

The Lower Potomac The Potomac Estuary Mount Vernon to Anacostia River Mall Area Georgetown to Great Falls Potomac Piedmont Upper Potomac The North Branch Boat Ramps Monitoring Sites Bridges and Ferries Cruises and Charters Search Potomac Sites

Also Explore

C and O Canal Headquarters

National Historical Park

Suggested Links

The Lower Potomac
The Potomac Estuary
Mount Vernon to Anacostia River
Mall Area
Georgetown to Great Falls
Potomac Piedmont
Upper Potomac
The North Branch

Boat Ramps
Monitoring Sites
Bridges and Ferries
Cruises and Charters

Search Potomac Sites