Numbers 32:8

and went and came to Moses and Aaron and to all the congregation of the sons of Israel in the wilderness of Paran, at Kadesh; and they brought back word to them and to all the congregation and showed them the fruit of the land.

‘Then your border shall turn from the south to the ascent of Akrabbim and continue to Zin, and its termination shall be to the south of Kadesh-barnea; and it shall reach Hazaraddar and continue to Azmon.

It is eleven days’ journey from Horeb by the way of Mount Seir to Kadesh-barnea.