16the waters coming down from above stood and rose up in a heap very far away, at Adam, the city that is beside Zarethan,and those flowing down toward the Sea of the Arabah, the Salt Sea, were completely cut off. And the people passed over opposite Jericho.
The Sea of Arabah is another name for the Dead Sea. This was the large body of water into which the Jordan River flowed. As a result of the high salt content in the water, there are no plants that grow next to the sea/lake.
16 the waters coming down from above stood and rose up in a heap very far away, at Adam, the city that is beside Zarethan, and those flowing down toward the Sea of the Arabah, the Salt Sea, were completely cut off. And the people passed over opposite Jericho.