The West Bank has an area of , which comprises 21.2% of former Mandatory Palestine (excluding Jordan) and has generally rugged mountainous terrain. The total length of the land boundaries of the region are . The terrain is mostly rugged dissected upland, some vegetation in the west, but somewhat barren in the east. The elevation span between the shoreline of the Dead Sea at −408 m to the highest point at Mount Nabi Yunis, at 1,030 m (3,379 ft) above sea level. The area of West Bank is landlocked; highlands are main recharge area for Israel's coastal aquifers.