The Col di Lana is one of the least striking mountains in the Dolomites in its appearance, but its location meant it was hotly disputed by the two armies. The mountain dominated all road traffic moving between the Pordoi Pass and the Falzarego Pass, connecting Cortina d'Ampezzo with Canazei and the tens to the west. It was protected to the west by and on the northern side, at the foot of Mount Lagazuoi, by Forte Tre Sassi.: