Exodus 15:23

New King James Version

Now when they came to Marah, they could not drink the waters of Marah, for they were bitter. Therefore the name of it was called Marah.

Cross References

Numbers 33:8

They departed from before Hahiroth and passed through the midst of the sea into the wilderness, went three days’ journey in the Wilderness of Etham, and camped at Marah.

Ruth 1:20

But she said to them, “Do not call me Naomi; call me Mara, for the Almighty has dealt very bitterly with me.