1 Samuel 22:1
"David therefore departed thence, and escaped to the cave Adullam: and when his brethren and all his father’s house heard it, they went down thither to him."
Cross References (ranked by relevance)
I will bless the LORD at all times: his praise shall continually be in my mouth.
Now three of the thirty captains went down to the rock to David, into the cave of Adullam; and the host of the Philistines encamped in the valley of Rephaim.
(Of whom the world was not worthy:) they wandered in deserts, and in mountains, and in dens and caves of the earth.
The king of Libnah, one; the king of Adullam, one;
For, behold, the LORD cometh forth out of his place, and will come down, and tread upon the high places of the earth.
Yet will I bring an heir unto thee, O inhabitant of Mareshah: he shall come unto Adullam the glory of Israel.