Numbers 21:15

From there they traveled, and encamped in the valley of Zered.

From there they traveled, and encamped on the other side of the Arnon, which is in the wilderness that comes out of the border of the Amorites; for the Arnon is the border of Moab, between Moab and the Amorites.

Therefore it is said in The Book of the Wars of the LORD, “Vaheb in Suphah, the valleys of the Arnon,

From there they traveled to Beer; that is the well of which the LORD said to Moses, “Gather the people together, and I will give them water.”

Then Israel sang this song:

“Spring up, well! Sing to it,

the well, which the princes dug,

which the nobles of the people dug,

with the scepter, and with their poles.”

From the wilderness they traveled to Mattanah;