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.
Beyond the lowlands and the Atlas mountain range, the continent is divided into two distinct areas: higher and lower plateaus. This boundary, which follows a somewhat curved path, stretches from the center of the Red Sea to about 6 degrees south along the western coastline.