'Valley gate' in the Bible

Moreover Uzziah built towers in Jerusalem at the corner gate, and at the valley gate, and at the turning of the wall, and fortified them.

And I went out by night by the valley-gate, even toward the jackal-fountain, and to the dung-gate; and I viewed the walls of Jerusalem, which were in ruins, and its gates were consumed with fire.

And I went up in the night through the valley, and viewed the wall, and turned back, and entered by the valley-gate and returned.

The valley-gate repaired Hanun, and the inhabitants of Zanoah; they built it, and set up its doors, its locks and its bars, and a thousand cubits of the wall as far as the dung-gate.