Deuteronomy 4:49

4:49 including all the Arabah of the Transjordan in the east to the sea of the Arabah, beneath the watershed of Pisgah.)

Deuteronomy 3:17

3:17 The Arabah and the Jordan River were also a border, from the sea of Chinnereth to the sea of the Arabah (that is, the Salt Sea), beneath the watershed of Pisgah to the east.