The area enjoys a moderate climate with an annual average temperature of 51 degrees
Fahrenheit. The region was first settled in the 1730’s. The county of Northampton
was established in 1752; in 1812 the county of Lehigh was established. The county
of Warren in New Jersey was founded in 1825 and was first settled in the early 18th
There are 81 properties or districts in the two – county area that are listed
on the National Register of Historic Places. Nearly all local governments in the
Lehigh Valley have a comprehensive plan, zoning ordinance and subdivision regulations.
The counties of Lehigh and Northampton, together comprised of 731 square miles,
are located in the central eastern portion of the Commonwealth of Pennsylvania.
The Region, referred to as the Lehigh Valley, is bounded on the north by the Blue
Mountain, on the east by the Delaware River and on the south by the Lehigh Mountain
Range -- known as South Mountain. To the west, the plain breaks into low, rolling
hills which rise to form a divide between lands drained by the Lehigh and Schuylkill
Warren County is comprised of 365 square miles with a population density of 281
per square mile. The county boasts 110,000 acres of woodland.
The region is located within 300 miles of all the large, metropolitan areas of
the eastern United States and is particularly accessible to Philadelphia and New
- RT 22 East/West
- RT 33 North/South
- I 78 East/West
- RT 309 North/South