Colle delle Finestre (el. 2178 m.) is a mountain pass in the Cottian Alps, in the Italian reigion of Piemonte, Italy, linking Susa Valley and Val Chisone. The road was built around 1700 to gain access to the fortresses in the zone, mainly the Forte di Fenestrelle. The road serves as tourist attraction although the last 8 kilometres of the road from Susa are not asphalted. From Susa the mountain pass is 18,6 kilometres long at an average of 9,1% (height gain: 1694 m), the maximum gradient being 12%.
Giro d'Italia :
Stage 19 of 2005 Giro d'Italia crossed Colle delle Finestre, Danilo Di Luca being the first one on the top. The stage, finishing in Sestriere, was won by Venezuelan José Rujano. It was also featured in the 20th stage of the 2011 Giro d'Italia and was won solo by Vasili KIRYIENKA of the Movistar team.