After they had set out from Rephidim, they entered the Wilderness of Sinai, and Israel camped there in front of the mountain.

Exodus 3:1
Meanwhile, Moses was shepherding the flock of his father-in-law Jethro, the priest of Midian. He led the flock to the far side of the wilderness and came to Horeb, the mountain of God.

Exodus 3:12
"I will surely be with you," God said, "and this will be the sign to you that I have sent you: When you have brought the people out of Egypt, all of you will worship God on this mountain."

Exodus 17:1
Then the whole congregation of Israel left the Desert of Sin, moving from place to place as the LORD commanded. They camped at Rephidim, but there was no water for the people to drink.

Exodus 18:5
Moses' father-in-law Jethro, along with Moses' wife and sons, came to him in the desert, where he was encamped at the mountain of God.

Numbers 33:15
They set out from Rephidim and camped in the Wilderness of Sinai.

For they were departed from Rephidim, and were come to the desert of Sinai, and had pitched in the wilderness; and there Israel camped before the mount.