Numbers 20:18-22

Edom, however, said to him, “You shall not pass through us, or I will come out with the sword against you.”

Again, the sons of Israel said to him, “We will go up by the road, and if I and my livestock do drink any of your water, then I will pay its price. Let me only pass through on my feet, nothing more.”

But he said, “You shall not pass through.” And Edom came out against him with a heavy force and a strong hand.

So Edom refused to allow Israel to pass through his territory; then Israel turned away from him.

Now when they set out from Kadesh, the sons of Israel, the whole congregation, came to Mount Hor. Death of Aaron