Deuteronomy 4 49
and included all the Arabah to the east of the Jordan down as far as the Dead Sea beside the slopes of Mount Pisgah.
Compare with other 3 random translations
LSV Deuteronomy 4:49and all the plain beyond the Jordan eastward, even to the Sea of the Plain, below the Springs of Pisgah.
ASV Deuteronomy 4:49and all the Arabah beyond the Jordan eastward, even unto the sea of the Arabah, under the slopes of Pisgah.
NKJ Deuteronomy 4:49and all the plain on the east side of the Jordan as far as the Sea of the Arabah, below the slopes of Pisgah.