Deuteronomy 3:12

And this land, took we in possession at that time, - from Aroer which is by the ravine of Arnon, and half the hill-country of Gilead and the cities thereof, gave I unto the Reubenites and unto the Gadites;

Deuteronomy 2:36

From Aroer, which is on the edge of the ravine of Arnon and the city that is in the ravine even as far as Gilead, there was not a fortress that proved too high for us, - the whole, did Yahweh our God deliver up before us.

Numbers 32:32-38

We, will pass over armed, before Yahweh into the land of Canaan, - then shall be ours, the possession of our inheritance across the Jordan.

Deuteronomy 4:48

from Aroer which is on the edge of the ravine of Arnon, even unto Mount Sion, the same, is Hermon;

Joshua 12:2-6

Sihon, king of the Amorites, who dwelt in Heshbon, - ruling from Aroer, which is on the edge of the ravine of Arnon, and the middle of the ravine, and half Gilead, even as far as the ravine Jabbok, the boundary of the sons of Ammon;

Joshua 13:8-28

With them, the, Reubenites and the Gadites, received their inheritance, - which Moses gave them beyond the Jordan, eastward, as Moses the servant of Yahweh gave unto them:

2 Kings 10:33

from the Jordan, towards sunrise, all the land of Gilead, the Gadites, and the Reubenites, and the Manassites, - from Aroer, which is by the torrent of Arnon, both Gilead and Bashan.

Treasury of Scripture Knowledge

Summary

And this land, which we possessed at that time, from Aroer, which is by the river Arnon, and half mount Gilead, and the cities thereof, gave I unto the Reubenites and to the Gadites.

Bible References

From aroer

Deuteronomy 2:36
From Aroer, which is on the edge of the ravine of Arnon and the city that is in the ravine even as far as Gilead, there was not a fortress that proved too high for us, - the whole, did Yahweh our God deliver up before us.
Deuteronomy 4:48
from Aroer which is on the edge of the ravine of Arnon, even unto Mount Sion, the same, is Hermon;
Numbers 32:33
So then Moses gave unto them even unto the sons of Gad and unto the sons of Reuben and unto the half tribe of Manasseh son of Joseph the kingdom of sihon, king of the Amorites, and the kingdom of Og, the king of Bashan, the land by her cities with boundaries, even the cities of the land round about.
Joshua 12:2
Sihon, king of the Amorites, who dwelt in Heshbon, - ruling from Aroer, which is on the edge of the ravine of Arnon, and the middle of the ravine, and half Gilead, even as far as the ravine Jabbok, the boundary of the sons of Ammon;
Joshua 13:8
With them, the, Reubenites and the Gadites, received their inheritance, - which Moses gave them beyond the Jordan, eastward, as Moses the servant of Yahweh gave unto them:
2 Kings 10:33
from the Jordan, towards sunrise, all the land of Gilead, the Gadites, and the Reubenites, and the Manassites, - from Aroer, which is by the torrent of Arnon, both Gilead and Bashan.

General references

Numbers 34:14
For the tribe of the sons of the Reubenites by their ancestral house, and the tribe of the sons of Gad, by their ancestral house, have received, and, the half tribe of Manasseh have received, their inheritance:
Deuteronomy 29:8
and we took their land, and gave it for an inheritance unto the Reubenites and unto the Gadites, - and unto the half tribe of Manasseh.
Joshua 13:16
and their boundary was from Aroer, that is on the edge of the ravine of Arnon and the city which is in the midst of the ravine and all the table-land by Medeba;
Psalm 136:21
And gave their land for an inheritance, For, age-abiding, is his lovingkindness.