Joshua 4:5

4:5 Joshua told them, “Go in front of the ark of the Lord your God to the middle of the Jordan. Each of you is to put a stone on his shoulder, according to the number of the Israelite tribes.

Joshua 4:19

4:19 The people went up from the Jordan on the tenth day of the first month and camped in Gilgal on the eastern border of Jericho.