Morten St George Theory

[Linda]

From the VMS depiction, we cannot determine the size of the fortress nor its precise location on the mountaintop though it seems logical that the tower would be on the same side as the pathway up the mountain.

I would have thought the entrance would be where the path would lead.

I'm quite sure I read that the dismantling of the Cathar fortress was so complete that they left no stone behind. Quite literally, every stone was removed from the mountain so I can't even imagine how your archaeological excavations could have any validity.

Wikipedia isnt necessarily the complete and true source of all knowledge. It does make more sense for them to have built on top of what was left. The original source of the information that 

The original Cathar fortress of Montségur was entirely pulled down by the victorious royal forces after its capture in 1244

Would have come from the victors. Would they say they knocked it all down and built their own, or would they say they rebuilt it? The former, i would think, even if the latter were true.

Please show me the original 13th-century blueprints for the construction of that fortress.

I think that info was already provided.

None of these inhabited terraces are visible in the VMS description: the "cliffs" are bare.

That is not the cliff, that is the bridge to the next rosette, which you said was the heavenly realm.

This premise of yours that "it is not known, therefore I'm right" is a logical fallacy. Especially when things are known.

I am not claiming that it proves me right but that, upon proving others wrong, it increases the odds that I am right!

But you have not proven anyone wrong, and you are ignoring the fact that information has been provided which opposes your view.