The pass near Engedi, by which the Moabites and Ammonites ascended from the shore of the Dead Sea, having followed the southern and western coast to this point, 2 Chronicles 20:16. The same route is still traversed by the Arabs.

Jehoshaphat
... Tomorrow go ye down against them: behold, they come up by the cliff of Ziz; and
ye shall find them at the end of the brook, before the wilderness of Jeruel. ...
/.../white/the story of prophets and kings/chapter 15 jehoshaphat.htm