New Revised Standard Version
They crossed the Jordan, and began from Aroer and from the city that is in the middle of the valley, toward Gad and on to Jazer.

Contemporary English Version
They crossed the Jordan River and began with Aroer and the town in the middle of the river valley. From there they went toward Gad and on as far as Jazer.

New American Bible
Crossing the Jordan, they began near Aroer, south of the city in the wadi, and turned in the direction of Gad toward Jazer.

Douay-Rheims Bible
And when they had passed the Jordan, they came to Aroer to the right side of the city, which is in the vale of Gad.

And when they had passed the Jordan, they came to Aroer to the right side of the city, which is in the vale of Gad.

Aroer

Deuteronomy 2:36 From Aroer, which is upon the bank of the torrent Arnon, a town that is situate in a valley, as far as Galaad. There was not a village or city, that escaped our hands: the Lord our God delivered all unto us:

Joshua 13:9,16 From Aroer, which is upon the bank of the torrent Arnon, and in the midst of the valley and all the plains of Medaba, as far as Dibon: . . .

1 Samuel 30:28 And to them that were in Aroer, and that were in Sephamoth, and that were in Esthamo,

Isaiah 17:2 The cities of Aroer shall be left for flocks, and they shall rest there, and there shall be none to make them afraid.

river, or, valley

Numbers 32:1,3,35 And the sons of Ruben and Gad had many flocks of cattle, and their substance in beasts was infinite. And when they saw the lands of Jazer and Galaad fit for feeding cattle, . . .

Isaiah 16:8,9 For the suburbs of Hesebon are desolate, and the lords of the nations have destroyed the vineyard of Sabama: the branches thereof have reached even to Jazer: they have wandered in the wilderness, the branches thereof are left, they are gone over the sea. . . .