Map It
Site Name Lock 33 (West)
Water BodyPotomac River
Physical AddressOff Harpers Ferry Road, Knoxville, MD 21758
DirectionsOn US-340 west, left at Valley Road. Left at Keep Tryst Road. Right onto Sandy Hook Road, continue onto Harpers Ferry Road.
Owner/Manager NameNational Park Service
Owner/Manager Phone301-739-4200
Owner/Manager Email 
CommentsParking is available along the shoulder of Harpers Ferry Road. Portage across a bridge and the towpath is required to reach the river. The bank is very steep (approximately 20 ft. straight down) to the water. Use caution.
# of Ramps0
# of Ramps ADA0
Ramp Width (Feet) 
Ramp SurfaceDIRT
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
HoursOfOperationDay Light
Fee Or Permit RequiredNo
Parking Lot TypeUNKNOWN
Parking Lot SizeSMALL <5
# of Car Spaces 
# of Car Spaces ADA0
# ofTrailerSpaces0
# of Trailer Spaces ADA0
Turnaround AreaNo
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