The ark, which was since the making of the covenant the special shrine and seat of God’s presence, went before to show the people that God, through its medium, was their leader. They were to follow at a distance that they might the better observe and mark how the miracle was accomplished. This they would do to the greatest advantage while coming down the heights, the ark going on before them into the ravine.
Related Commentaries of Joshua 3:4
Joshua 3:4
4 Yet there shall be a space between you and it, about two thousand cubits by measure: come not near unto it, that ye may know the way by which ye must go: for ye have not passed this way heretofore.a