Exodus 14:19

14:19 The angel of God, who was going before the camp of Israel, moved and went behind them, and the pillar of cloud moved from before them and stood behind them.

Exodus 15:22

The Bitter Water

15:22 Then Moses led Israel to journey away from the Red Sea. They went out to the Desert of Shur, walked for three days into the desert, and found no water.