Deuteronomy 4:49

It included the region east of the Jordan River as far south as the Dead Sea and east to the foot of Mount Pisgah.

Deuteronomy 3:17

On the west their territory extended to the Jordan River, from Lake Galilee in the north down to the Dead Sea in the south and to the foot of (Mount) Pisgah on the east.

Deuteronomy 34:1

Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah, which is opposite Jericho. Jehovah showed him all the land, Gilead as far as Dan,

Joshua 13:20

And Beth-peor, and Ashdoth-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
On the west their territory extended to the Jordan River, from Lake Galilee in the north down to the Dead Sea in the south and to the foot of (Mount) Pisgah on the east.
Deuteronomy 34:1
Moses went up from the plains of Moab to Mount Nebo, to the top of Pisgah, which is opposite Jericho. Jehovah showed him all the land, Gilead as far as Dan,
Joshua 13:20
And Beth-peor, and Ashdoth-pisgah, and Beth-jeshimoth,

General references

Numbers 26:3
Moses and the priest Eleazar spoke to the Israelites on the plains of Moab near the Jordan River across from Jericho. They said: