From there they set out and camped in the Valley of Zered.
We have here an account of the several stages and removals of the children of Israel, till they came into the plains of Moab, out of which they at length passed over Jordan into Canaan, as we read in the beginning of Joshua. Natural motions are quicker the nearer they are to their centre.
Commenting on Numbers 21:10-20
From thence they removed, and pitched in the valley of Zered. Or the brook Zered, as in Deu 13:14 that is near it: this seems to be the same station with Dibongad, Num 33:45, and which, according to the above writer, was sixteen miles from Ijeabarim. , and which, according to the above writer, was sixteen miles from Ijeabarim.
pitched in the valley--literally, the "woody brook-valley" of Zared (Deu 2:13; Isa 15:7; Amo 6:14). This torrent rises among the mountains to the east of Moab, and flowing west, empties itself into the Dead Sea. Ije-Abarim is supposed to have been its ford [CALMET].