GOD'S WORD® Translation
It continues up the valley of Ben Hinnom to the south slope of the Jebusite city Jerusalem. It then goes to the top of the mountain that overlooks the valley of Hinnom to the west at the north end of the valley of Rephaim.

American Standard Version
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;

Berean Study Bible
From there the border went up the Valley of Hinnom along the southern slope of the Jebusites (that is, Jerusalem) and ascended to the top of the hill that faces the Valley of Hinnom on the west, at the northern end of the Valley of Rephaim.

Douay-Rheims Bible
And it goeth up by the valley of the son of Ennom on the side of the Jebusite towards the south, the same is Jerusalem: and thence ascending to the top of the mountain, which is over against Geennom to the west in the end of the valley of Raphaim, northward.

English Revised Version
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:

King James Bible
And the border went up by the valley of the son of Hinnom unto the south side of the Jebusite; 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 end of the valley of the giants northward:

World English Bible
The border went up by the valley of the son of Hinnom to the side of the Jebusite southward (the same is Jerusalem); and the border went up to the top of the mountain that lies before the valley of Hinnom westward, which is at the farthest part of the valley of Rephaim northward.

Young's Literal Translation
and the border hath gone up the valley of the son of Hinnom, unto the side of the Jebusite on the south (it is Jerusalem), and the border hath gone up unto the top of the hill-country which is on the front of the valley of Hinnom westward, which is in the extremity of the valley of the Rephaim northward;

Joshua 15:8 Additional Translations ...