Numbers 33:8

Revised Standard Version (RSV-CI)

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.

Cross References

Exodus 14:2

“Tell the people of Israel to turn back and encamp in front of Pi-ha-hiroth, between Migdol and the sea, in front of Baal-zephon; you shall encamp over against it, by the sea.