TSK · Deuteronomy 3:17

All these joined together in the valley of Siddim (the same is the Salt Sea).

He took him into the field of Zophim, to the top of Pisgah, and built seven altars, and offered up a bull and a ram on every altar.

and all the Arabah beyond the Jordan eastward, even to the sea of the Arabah, under the slopes of Pisgah.

and the Arabah to the sea of Chinneroth, eastward, and to the sea of the Arabah, even the Salt Sea, eastward, the way to Beth Jeshimoth; and on the south, under the slopes of Pisgah:

Their south border was from the uttermost part of the Salt Sea, from the bay that looks southward;

The border passed along to the side of Beth Hoglah northward; and the border ended at the north bay of the Salt Sea, at the south end of the Jordan. This was the south border.