Exodus 15:22

Overview - Exodus 15
The song of Moses, Miriam, and Israel on their deliverance.
22 The people want water in the wilderness.
23 The waters at Marah are bitter, they murmur, Moses prays, and sweetens the waters by God's direction.
27 They encamp at Elim, where are twelve wells, and seventy palm trees.
Treasury of Scripture Knowledge

Exodus 15:22  (King James Version)
So Moses brought Israel from the Red sea, and they went out into the wilderness of Shur; and they went three days in the wilderness, and found no water.

wilderness of Shur
This lay on the eastern shore of the Heroopolitic gulf of the Red Sea, and is still called the desert of Shur, according to Dr
Genesis 16:7 ; 25:18 1 Samuel 15:7

three days