Job 30:6
To dwell in the horror of the valleys, holes of the dust, and the rocks.
Judges 6:2
And the hand of Midian will be strong upon Israel: from the face of Midian the sons of Israel made to them clefts which are in the mountains, and caves and fastnesses.
1 Samuel 22:1-2
And David will go from thence and he will escape to the cave Adullam: and his brethren and all the house of his father will hear, and they will go down to him there.
Isaiah 2:19
And they shall go into the caves of the rocks, and into the caverns of the dust, from the face of the fear of Jehovah, and from the splendor of his majesty in his rising to terrify the earth.
Revelation 6:15
And the kings of the earth, and the great, and the rich, and the captains of thousands, and the powerful, and every servant, and every one free, hid themselves in caves and in rocks of the mountains;