Word: mountains in Revelation

And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains;

Revelation 6:16

And said to the mountains and rocks, Fall on us, and hide us from the face of him that sitteth on the throne, and from the wrath of the Lamb:

Revelation 16:20

And every island fled away, and the mountains were not found.

Revelation 17:9

And here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth.