An altar of stones. —Rashi propounds the theory that these stones were taken from Jordan. But there is nothing to support this the…

And there shalt thou build an altar. At their first entrance into the land, God commands that a sacrifice of thanksgiving should be offere…

And there shall you build an altar to the Lord your God
On the same mountain, though not of the same stones. Jarchi'…

As soon as they had come into Canaan, they were to set up a monument, on which they were to write the words of this law. They were to set up an alt…