Pohatcong Mountain is a

ridge A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance. The sides of the ridge slope away from the narrow top on either side. The line ...

, approximately 6 mi (10 km) long, in the

Appalachian Mountains The Appalachian Mountains, often called the Appalachians, (french: Appalaches), are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They ...

of northwestern

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

in the United States. It extends from west Phillipsburg northeast approximately to

Allamuchy Township, New Jersey Allamuchy Township is a township in Warren County, in the U.S. state of New Jersey. As of the 2020 United States census, the towship's population was 5,335, an increase of 1,012 (+23.4%) from the 2010 census count of 4,323, which in turn reflec ...

. The ridge continues on north past

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

as Upper Pohatcong Mountain. The term "Pohatcong Mountain" is sometimes taken to include both mountains. The ridge is approximately 800 ft (244 m) high along much of its length. The mountain divides the watersheds of

Pohatcong Creek Pohatcong Creek (also called the Pohatcong River) is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 tributary of the Delaware River in northwestern New Jersey in the United ...

on its northwestern flank and the

Musconetcong River The Musconetcong River is a tributary of the Delaware River in northwestern New Jersey in the United States.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 It flows through ...

on its southeastern flank.

References

Ridges of New Jersey Landforms of Warren County, New Jersey {{WarrenCountyNJ-geo-stub