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Hunterdon County, New Jersey, United States (40.57706 -74.92616)
Much of the county is hilly, with several hills rising to one thousand foot in elevation. The highest points are two areas in Lebanon Township, one on the Morris County line, both reaching approximately 1,060 feet (320 m) above sea level. The first is at Smith on the Morris County line and the second is north of the area called Little Brook. This area is known as the Highlands of New Jersey. The lowest elevation is where the Mercer County line reaches the Delaware River, approximately 50 feet (15 m) above sea level. The county is drained by the Musconetcong River in the north. The river flows in a southwest direction. The Lamington River drains the county in the east. The central portion of the county is drained by the South Branch of the Raritan River. The Delaware River drains the western side of the county.
Copper Hill, Raritan Township, Hunterdon County, New Jersey, 08551, United States (40.47510 -74.86350)
Coordinates: 40.45510 -74.88350 40.49510 -74.84350 - Minimum elevation: 121 ft - Maximum elevation: 584 ft - Average elevation: 210 ft
Rileyville, East Amwell Township, Hunterdon County, New Jersey, 08525, United States (40.42511 -74.79183)
Coordinates: 40.40511 -74.81183 40.44511 -74.77183 - Minimum elevation: 124 ft - Maximum elevation: 624 ft - Average elevation: 361 ft
Pittstown, Franklin Township, Hunterdon County, New Jersey, 08867, United States (40.58214 -74.95898)
Coordinates: 40.56214 -74.97898 40.60214 -74.93898 - Minimum elevation: 187 ft - Maximum elevation: 890 ft - Average elevation: 515 ft