Potomac Canal Historic District

Also known as: Patowmack Canal Historic District
E of Great Falls, Great Falls, Virginia


Street View 


The district consists of the remains of an impressively engineered canal built (1796-1802) beside the falls of the Potomac near Washington, D.C.; ruins of Matildaville, a town which grew up during the canal's operation; and sites of small industrial structures that utilized the canal's water power. The interstate negotiations that led to its building helped spur the Constitutional Convention. -- National Historic Landmark statement of significance, December 17, 1982

National Register information 

Posted to the National Register of Historic Places on October 18, 1979
Reference number
Areas of significance
Engineering; Politics/Government
Level of significance
Evaluation criteria
A - Event; C - Design/Construction
Property type
Historic functions
Village site; Water-related; Manufacturing facility
Current function
Periods of significance
1800-1824; 1750-1799; 1825-1849
Significant years
1786; 1830
Number of properties
Contributing sites: 22

Update Log 

  • April 17, 2017: New Street View added by Michael Miller