Map It
Site Name Four Locks
Water BodyPotomac River
Physical AddressOff Route 56 on Four Locks Road
DirectionsMD Route 56 to Four Locks Road south, continue to the end.
Owner/Manager NameNational Park Service C&O Canal National Historical Park
Owner/Manager Phone301-739-4200
Owner/Manager Website
Owner/Manager Email 
CommentsThis site has a picnic area, canal quarters, and is located at milepost 109 of the C&O Canal Towpath.
# of Ramps2
# of Ramps ADA0
Ramp Width (Feet)15
Ramp SurfaceCONCRETE
Large BoatsNo
Vessel Size NotePlease note that "large boats" is intended as a general reference to ramp capacity. Generally, vessels less than 16 feet in length are considered small and those greater than 16 feet as large.
Soft LaunchYes
Soft Launch ADANo
# of Piers0
Transient UseNo
Fee Or Permit RequiredNo
Parking Lot TypePAVED
Parking Lot SizeLARGE >20
# of Car Spaces0
# of Car Spaces ADA0
# ofTrailerSpaces30
# of Trailer Spaces ADA0
Turnaround AreaYes
Trash ServiceNo
Fuel on siteNo
Questions And UpdatesIf you have a question about this site, contact the management agency using the phone number or contact information provided above. Permit/launch fees can change without notice so this site does not list them. Any corrections or updates to the information listed here should be sent via e-mail to
Tide Information
 Map It