Apart from the lowlands and the Atlas mountain range, the continent may be divided into two regions of higher and lower plateaus, the dividing line (somewhat concave to the northwest) running from the middle of the Red Sea to about 6 degrees south on the west coast.
The continent can be categorized into two regions based on elevation: elevated plateaus in the west and lower plateaus in the east. The dividing line between these regions is a curved boundary that runs from the Red Sea to the west coast, roughly 6 degrees south of the equator.