Exodus 18:5

18:5 Jethro, Moses’ father-in-law, together with Moses’ sons and his wife, came to Moses in the desert where he was camping by the mountain of God.

Exodus 19:11

19:11 and be ready for the third day, for on the third day the Lord will come down on Mount Sinai in the sight of all the people.

Exodus 19:20

19:20 The Lord came down on Mount Sinai, on the top of the mountain, and the Lord summoned Moses to the top of the mountain, and Moses went up.

Exodus 24:16

24:16 The glory of the Lord resided on Mount Sinai, and the cloud covered it for six days. On the seventh day he called to Moses from within the cloud.

Exodus 34:2

34:2 Be prepared in the morning, and go up in the morning to Mount Sinai, and station yourself for me there on the top of the mountain.