Mount Seir is a natural feature mentioned in 34 verses of the Bible (Genesis, Numbers, Deuteronomy, Joshua, Judges, 1 Chronicles, 2 Chronicles, Isaiah, Ezekiel), shown here on an interactive map. It is identified with Jebel esh Shera.
The Dead Sea is drawn at its biblical-era extent, one lake including the southern basin; the modern lake has shrunk and split.