Bible Verses About Valleys: Rephaim or giants

and the border went up by the valley of the son of Hinnom unto the side of the Jebusite southward (the same is Jerusalem); and the border went up to the top of the mountain that lieth before the valley of Hinnom westward, which is at the uttermost part of the vale of Rephaim northward;

and the border went down to the uttermost part of the mountain that lieth before the valley of the son of Hinnom, which is in the vale of Rephaim northward; and it went down to the valley of Hinnom, to the side of the Jebusite southward, and went down to En-rogel;

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

And it shall be as when the harvestman gathereth the standing grain, and his arm reapeth the ears; yea, it shall be as when one gleaneth ears in the valley of Rephaim.