 The Escarpment woodlands and shrublands are bounded on the southeast by the Southwest Arabian coastal xeric shrublands, which extend along the coastal strip between the mountains and the Red Sea and Gulf of Aden.At higher elevations, the foothills savanna transitions to the Southwestern Arabian montane woodlands.The drier Red Sea-Arabian Desert shrublands lie to the northwest along the Red Sea coast, and wrap around the north and east between the Escarpment shrublands and woodlands and the hyper-arid deserts of Central Arabia.