Exodus 15:22-23

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. 15:23 Then they came to Marah, but they were not able to drink the waters of Marah, because they were bitter. (That is why its name was Marah.)

Exodus 15:27

15:27 Then they came to Elim, where there were twelve wells of water and seventy palm trees, and they camped there by the water.