Ul lec'h eus Bro Skos : Graupius Mons ?
Rivet & Smith, p. 370-71 :
Talvoudegezh : "... Mons *Craupius is identical with Dorsum Crup of the Pictish Chronicle" . "The British battle base would then be the hill-fort of Mither Tap of Bennachie (NJ 683224) which, though relatively small, commands a most extensive view"