Hebrews 11:38
They wandered across deserts and mountains, or hid themselves in caves and in holes in the ground.
Revelation 6:15
The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,
Treasury of Scripture Knowledge
Summary
And the hand of Midian prevailed against Israel: and because of the Midianites the children of Israel made them the dens which are in the mountains, and caves, and strong holds.
Bible References
Dens
Hebrews 11:38
They wandered across deserts and mountains, or hid themselves in caves and in holes in the ground.
Revelation 6:15
The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,