The great virtue of Fécamp appears not so much to have been height but the density of its ramparts and width of it's ditch meant it was very resilient to Roman seiege engines.

Quote Originally Posted by asugrynd View Post
The Murus gallicus would strike me as being build around towns, not so much forts in the woods.
You would be surprised, I was recently digging at a Murus Gallicus site near Bourges and it enclosed a farmstead which was smaller than some modern day houses. In the territory of the Bituriges Murus Gallicus appears to have been a status symbol as much as a means of defence.