Numbers 20:21

19The children of Israel said to him, “We will go up by the highway; and if we drink your water, I and my livestock, then I will give its price. Only let me, without doing anything else, pass through on my feet.”

20He said, “You shall not pass through.” Edom came out against him with many people, and with a strong hand.

21Thus Edom refused to give Israel passage through his border, so Israel turned away from him.

22They traveled from Kadesh, and the children of Israel, even the whole congregation, came to Mount Hor.

23The LORD spoke to Moses and Aaron in Mount Hor, by the border of the land of Edom, saying,