Deuteronomy 4:49

with all the Arabah (desert lowlands) across the Jordan to the east, even as far as the sea of the Arabah (the Dead Sea), at the foot of the slopes of Pisgah.

Deuteronomy 3:17

the Arabah also, with the Jordan as its boundary, from Chinnereth (the Sea of Galilee) as far as the sea of the Arabah, the Salt Sea (Dead Sea), at the foot of the slopes of Pisgah on the east.

Deuteronomy 34:1

Now Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah, that is opposite Jericho. And the Lord showed him all the land, from Gilead to Dan,

Joshua 13:20

and Beth-peor and the slopes of Pisgah and Beth-jeshimoth,

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Under the springs

Deuteronomy 3:17
the Arabah also, with the Jordan as its boundary, from Chinnereth (the Sea of Galilee) as far as the sea of the Arabah, the Salt Sea (Dead Sea), at the foot of the slopes of Pisgah on the east.
Deuteronomy 34:1
Now Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah, that is opposite Jericho. And the Lord showed him all the land, from Gilead to Dan,
Joshua 13:20
and Beth-peor and the slopes of Pisgah and Beth-jeshimoth,

General references

Numbers 26:3
So Moses and Eleazar the priest spoke with the people in the plains of Moab by the Jordan at Jericho, saying,