GOD'S WORD® Translation
The leaders of that city will bring the heifer down to a river, to a location where the land hasn't been plowed or planted. At the river they must break the heifer's neck.

American Standard Version
and the elders of that city shall bring down the heifer unto a valley with running water, which is neither plowed nor sown, and shall break the heifer's neck there in the valley.

Berean Study Bible
bring the heifer to a valley with running water that has not been plowed or sown, and break its neck there by the stream.

Douay-Rheims Bible
And they shall bring her into a rough and stony valley, that never was ploughed, nor sown: and there they shall strike off the head of the heifer:

English Revised Version
and the elders of that city shall bring down the heifer unto a valley with running water, which is neither plowed nor sown, and shall break the heifer's neck there in the valley:

King James Bible
And the elders of that city shall bring down the heifer unto a rough valley, which is neither eared nor sown, and shall strike off the heifer's neck there in the valley:

World English Bible
and the elders of that city shall bring down the heifer to a valley with running water, which is neither plowed nor sown, and shall break the heifer's neck there in the valley.

Young's Literal Translation
and the elders of that city have brought down the heifer unto a hard valley, which is not tilled nor sown, and have beheaded there the heifer in the valley.

Deuteronomy 21:4 Additional Translations ...