- extends across northern New Jersey, from the New York State line southwestward to the Delaware Water Gap.
- consists mainly of rough, rolling terrain with the Kittatinny Mountains forming a prominent ridge along its western edge.
- New Jersey's highest point, High Point (1,803 feet above sea level), is located in the Kittatinny Mountains.
II. The Ridge and Valley Province
- lies south and east of the Highlands and extends across most of central and western New Jersey.
- contains long, narrow valleys separated by ridges of resistant rock.
- The valleys are typically fertile and well-suited for agriculture, while the ridges are often forested.
III. The Piedmont Province
- located in central and eastern New Jersey, between the Ridge and Valley Province and the Atlantic Coastal Plain.
- consists of rolling hills and valleys, with some areas of more rugged terrain.
- The Piedmont Province is home to many of the state's major cities, including Trenton, Newark, and Jersey City.
IV. The Atlantic Coastal Plain
- extends across southern and eastern New Jersey and includes all of the land south and east of the Raritan River.
- consists of relatively flat terrain, with some areas of low, gently rolling hills.
- The Atlantic Coastal Plain is home to some of the state's most popular tourist destinations, including the Jersey Shore and Cape May.