Exodus 19:17 in the King James Version
And Moses brought forth the people out of the camp to meet with God; and they stood at the nether part of the mount.
Context
16 On the third day, when it was morning, there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.
17 Moses led the people out of the camp to meet God; and they stood at the lower part of the mountain.
18 All of Mount Sinai smoked, because the LORD descended on it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly.