Deuteronomy 2:14

2:14 Now the length of time it took for us to go from Kadesh Barnea to the crossing of Wadi Zered was thirty-eight years, time for all the military men of that generation to die, just as the Lord had vowed to them.

Deuteronomy 9:23

9:23 And when he sent you from Kadesh-Barnea and told you, “Go up and possess the land I have given you,” you rebelled against the Lord your God and would neither believe nor obey him.