Acts 7:30

"But at the end of forty years there appeared to him in the Desert of Mount Sinai an angel in the middle of a flame of fire in a bush.

Acts 7:38

This is he who was among the Congregation in the Desert, together with the angel who spoke to him on Mount Sinai and with our forefathers, who received ever-living utterances to hand on to us.

Galatians 4:24

All this is allegorical; for the women represent two Covenants. One has its origin on Mount Sinai, and bears children destined for slavery.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Camped

Acts 7:30
"But at the end of forty years there appeared to him in the Desert of Mount Sinai an angel in the middle of a flame of fire in a bush.
Galatians 4:24
All this is allegorical; for the women represent two Covenants. One has its origin on Mount Sinai, and bears children destined for slavery.