| Beautiful scenery |
| 20 hairpin turns |
| #4 toughest climb of Aosta Valley |
| #3 most elevation gain of Italy |
| #7 longest climb of Italy |
Col du Grand-Saint-Bernard from Aosta via Roisan is a climb in the region Aosta Valley. It is 40.2km long and bridges 2017 vertical meters with an average gradient of 5%, resulting in a difficulty score of 1331. The top of the ascent is located at 2469 meters above sea level. Climbfinder users shared 1 review/story of this climb and uploaded 7 photos.
Road names: Strada regionale per Roisan, Strada regionale per Roisan (SR17), Strada regionale per Bionaz (SR28), Strada Regionale n. 29 di Doues, Strada Comunale, SS27, Rue du Grand Saint-Bernard (SS27) & Str
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An interesting variant that makes it possible to avoid a good part of the busiest kilometres of the SS27; until the reunion with the state road, the route runs on roads with little or no traffic that pass through pleasant villages in a very pleasant environment. After the reunion with the SS27, the route is the same as the classic side.
A nice alternative for those who wish to enjoy the mountains in greater tranquillity than they would following the normal route.
Variante interessante che permette di evitare buona parte dei Km più trafficati della SS27; fino al ricongiungimento con la Statale il percorso si snoda su strade con traffico ridotto se non nullo che attraversano piacevoli paesini in un ambiente molto gradevole. Dopo il ricongiungimento con la SS27 il percorso è lo stesso del versante classico.
Una bella alternativa per chi desidera godersi la montagna in maggiore tranquillità rispetto a quanto farebbe seguendo il percorso normale
| 7 km/h | 05:44:24 |
| 11 km/h | 03:39:09 |
| 15 km/h | 02:40:43 |
| 19 km/h | 02:06:53 |
