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Mallows Bay
VerifiedLocation
1440 Wilson Landing Road, Nanjemoy, MD 20662, MD 20662
GPS Coordinates
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About This Ramp
Free to Use
Hours
Sunrise to Sunset
Managed by
Charles County - Parks and Recreation
Ramps
1
Surface
Concrete
USGS2 data sourcesUpdated Mar 2026
Mallows Bay is a public boat ramp on Potomac River in Charles County, Maryland (20662). Managed by Charles County - Parks and Recreation. This ramp is free to use. GPS coordinates: 38.4690°N, 77.2636°W.