Four Locks

Four Locks is a boat ramp on Potomac River located near Big Spring, Washington County, Maryland. The nearest Census-designated town or city is Big Spring, about 0.9 miles away (straight line to the place's center). The closest other listed launch is Potomac River Boat Ramp, 0.9 miles away, and 6 listed launches are within 10 miles. Facility details below come from Maryland Department of Natural Resources.

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Ramp details

Coordinates39.614436, -77.946355
CountyWashington County
WaterbodyPotomac River (river)
SurfacePaved
Launch typeBoat ramp
Launch lanes2
Ramp surfaceCONCRETE
Trailer parking spaces30
FeeNo
RestroomsYes
Hours / season24 hrs.
Courtesy / boarding dockNo
Managed byNational Park Service
Phone301-739-4200
More infohome.nps.gov/choh/planyourvisit/four-locks-boating-access-im

Potomac River water level & temperature

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Weather at this ramp

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Nearby boat ramps

Source: Maryland Department of Natural Resources public boat access data (site 308) · OpenStreetMap way 1378996600. All sources. Report a correction.