Exodus 15:23

Revised Standard Version (RSV-CI)

When they came to Marah, they could not drink the water of Marah because it was bitter; therefore it was named Marah.

Cross References

Numbers 33:8

And they set out from before Hahiroth, and passed through the midst of the sea into the wilderness, and they went a three days' journey in the wilderness of Etham, and encamped at Marah.

Ruth 1:20

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