Marah

and they come in to Marah, and have not been able to drink the waters of Marah, for they are bitter; therefore hath one called its name Marah.

And they journey from Pi-Hahiroth, and pass over through the midst of the sea, into the wilderness, and go a journey of three days in the wilderness of Etham, and encamp in Marah.

And they journey from Marah, and come in to Elim, and in Elim are twelve fountains of waters, and seventy palm trees, and they encamp there;