Topographical Map of the Catalaunian Plains

[Flavivs Aetivs]

I know what you're talking about, the problem is that not that its high (it actually gets pretty high in elevation) so much as how steep it is.

However, it is on an old road from troyes to metz and I have often heard that Chalons took place on a crossroads, so it does provide one clue.

20km west of Chalons near Vertus is a steep ridge runnign north to south, which is of extraordinary interest.