Deuteronomy 4:49

including all the Arabah on the east side of the Jordan and as far as the Sea of the Arabah, below the slopes of Pisgah.

Note That is, the Dead Sea

And all the plain on this side Jordan eastward, even unto the sea of the plain, under the springs of Pisgah.

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

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