The name comes from a Lenape Native American word meaning "endless hill" or "great mountain". The highest peak in the range is High Point at , which is also the highest point in the state of New Jersey. This peak is located in High Point state park and has a road leading to the top. The second highest mountain is Sunrise Mountain, located within Stokes State Forest. The elevation here is and has a road leading almost to the top. At the top there is a shelter with a roof but no sides.