Numbers 21:11-18

¹¹And they journeyed from Oboth, and encamped at 'Iye-ha'abarim, in the wilderness, which is before Moab, toward the rising of the sun.

¹²From there they set forward and encamped in the valley of Zered.

¹³From there they set forward, and encamped on the other side of Arnon, which is in the wilderness, and which cometh out of the boundary of the Emorites; for Arnon is the border of Moab, between Moab and between the Emorites.

¹⁴Therefore mention is made in the book of the wars of the Lord, of Vaheb in Supha, and of the brooks of Arnon,

¹⁵And the descent of the brooks, that turneth toward Shebeth-'Ar, and leaneth upon the border of Moab;

¹⁶And from there to the well; this is the well where the Lord said unto Moses, Assemble the people and I will give them water.

¹⁷Then did Israel sing this song, Come up, O well; sing ye unto it:

¹⁸Well, which the princes have dug, which the nobles of the people have hollowed out with the sceptre, with their staves;— and from the wilderness to Mattanah;