Northwest Harbor may refer to:
* Northwest Harbor, Baltimore, Maryland, U.S., part of the
Patapsco River
The Patapsco River mainstem is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 river in central Maryland that flows into the Chesapeake Bay. The river's tidal port ...
*
Northwest Harbor, New York, a hamlet in the Town of East Hampton, Suffolk County, New York, U.S.
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