'Valley of Hinnom' in the Bible

Then the border proceeded up the valley of Ben-hinnom to the southern ascent of the Jebusites (that is, to Jerusalem), and from there to the top of the mountain that faces the valley of Hinnom to the west at the end of the valley of Rephaim toward the north.

Go out to the Valley of Hinnom at the entrance to the Potsherd Gate, and there proclaim the words that I'm telling you.

"""Therefore, days are coming," declares the LORD, "when this place will no longer be called Topheth, or the Valley of Hinnom, but rather the Valley of Slaughter.