Numbers 33:9

Amplified Bible

They moved out from Marah and came to Elim; in Elim there were twelve springs of water and seventy palm trees, and they camped there.

See the chapter Copy

Then the children of Israel came to Elim where there were twelve springs of water and seventy date palms, and they camped there beside the waters.

They moved out from Elim and camped by the Red Sea (Sea of Reeds).