Dead Sea are small perennial springs under and around the Dead Sea, forming pools and quicksand pits along the edges. There are no outlet streams. The Mujib River, biblical Arnon, is one of the larger water sources of the Dead Sea other than the Jordan. The Wadi Mujib valley, 420 m below the sea level in the southern part of the Jordan valley, is a biosphere reserve, with an area of . Other more substantial sources are Wadi Darajeh (Arabic)/Nahal Dragot (Hebrew), and Nahal Arugot. Wadi Hasa (biblical Zered) is another wadi flowing into the Dead Sea. Rainfall is scarcely per year
Dead Sea Bible uses this term alongside two others: the Sea of the Arabah (' ), and the Eastern Sea ("" ). The designation "Dead Sea" never appears in the Bible. In prose sometimes the term ' (, "sea of death") is used, due to the scarcity of aquatic life there. In Arabic the Dead Sea is called ("the Dead Sea"), or less commonly ' (, "the Sea of Lot"). Another historic name in Arabic was the "Sea of Zoʼar", after a nearby town in biblical times. The Greeks called it "Lake Asphaltites" (Attic Greek , "", "the Asphaltite sea"). The Dead