Passo di Guspessa HD from Tirano

Extreme. Good but narrow and dirty road surface, mostly shady, seldom below 10％, the final 1,5km are the steepest. Each hairpin (many!) shows a "suffering panel" with next average slope and remaining distance: from hairpin2 to hairpin1 it is ... infinite! On top turning left towards Mortirolo pass will reward with beautiful views over the valley. Water refill at start in Tirano only (near train station).