'Valley' in the Bible

Now the Philistines had come and spread themselves in the valley of Rephaim.

And the Philistines came up yet again, and spread themselves in the valley of Rephaim.

And David gat him a name when he returned from smiting the Syrians in the Valley of Salt, even eighteen thousand men.

And three of the thirty chief men went down, and came to David in the harvest time unto the cave of Adullam; and the troop of the Philistines was encamped in the valley of Rephaim.

And they passed over the Jordan, and encamped in Aroer, on the right side of the city that is in the middle of the valley of Gad, and unto Jazer: