Map It
Site Name Seneca Creek/Seneca Creek Landing
Water BodySeneca Creek
Physical AddressRiley's Lock Road, Poolesville, MD 20874
DirectionsFrom 495 take exit 39 for MD-190 west toward Potomac. Merge onto MD-190 (River Road) west. Left at Rileys Lock Road.
Owner/Manager NameMontgomery County Parks
Owner/Manager Phone301-528-3490
Owner/Manager Website 
Owner/Manager Email 
CommentsWhen boating from this site be aware of the low clearance (only 4 - 6 feet,) due to the canal aqueduct downstream. This area has a picnic area and both motorized and non-motorized vessels can be launched here.
# of Ramps1
# of Ramps ADA0
Ramp Width (Feet)22
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 LaunchNo
Soft Launch ADANo
# of Piers0
Transient UseNo
HoursOfOperationDay Light
Fee Or Permit RequiredNo
Parking Lot TypeGRAVEL
Parking Lot SizeLARGE >20
# of Car Spaces25
# of Car Spaces ADA0
# ofTrailerSpaces20
# 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 above can be sent via e-mail to
Tide Information
 Map It