Col du Grand Cucheron
Col du Grand Cucheron, at an elevation of, is a mountain pass in the Alps in the department of Savoie in France. The pass crosses the northern end of the Belledonne massif, connecting the Maurienne and Isère valleys. The climb to the col was used on Stage 12 of the 2012 Tour de France.Cycle racing
From Les Granges the ascent is long. Over this distance, the elevation changes by at an average gradient of 7.8 percent.
From La Corbière , the climb is long, gaining at an average of 6.9 percent. This will be the direction from which the col is climbed in the 2012 Tour de France.
The climb can also be accessed from Aiguebelle from where the route is at an average of 5.3 percent, gaining. This route connects with that from La Corbière just after passing through Saint-Georges-des-Hurtières.The pass was first included in the Tour de France in 1972 and has since featured three times, most recently in 1998. It is generally ranked as a Category 2 climb. It was crossed on Stage 12 of the 2012 tour, between Saint-Jean-de-Maurienne and Annonay-Davézieux, approaching from the direction of Saint-Pierre-de-Belleville.
| Year | Stage | Category | Start | Finish | Leader at the summit |
| 2012 | 12 | 1 | Saint-Jean-de-Maurienne | Annonay-Davézieux | |
| 1998 | 16 | 2 | Vizille | Albertville | |
| 1983 | 17 | 2 | La Tour-du-Pin | L'Alpe d' Huez | |
| 1972 | 14b | 2 | Valloire | Aix-les-Bains | |
