
Road · France
A mountainous 20 km road cycling route from Saint-Étienne-de-Cuines through Champ Fleury, La Rochette and La Chenal, with 1,428 m of climbing over the Saint-Étienne-de-Cuines climb and the Nanchenu climb.
The ride starts at Saint-Étienne-de-Cuines (489 m) and climbs steadily up to Saint-Colomban-des-Villards at 9.6 km, gaining 610 m over 8.7 km at an average 7% gradient. This initial section runs mostly on the D 927 main road, which has no cycle lanes for 18.6 km and includes 7.2 km of roads with 80 km/h+ speed limits. Beyond Saint-Colomban-des-Villards, the climb continues for 10.4 km, gaining 817 m at an average 7.8% gradient with pitches up to 11.7% to reach the summit at 1917 m near Le Carrelet peak.
Almost the entire route is on paved roads, with only 1% unpaved surface. After the village of Les Moulins at 11.6 km, there is a long 7.9 km stretch without cafés, shops or water until the summit. There are five places to refuel along the way, including a restaurant off-route near the start and another near 10 km. Drinking water is available near the start, at 3.1 km and at 11.6 km. A bailout point is available at Saint-Avre - La Chambre station, about 1.5 km off route near the start.
The route passes under the 1700 m L'Ormet peak around 11.8 km and finishes near the Col du Glandon restaurant at the summit. The climb features sustained gradients with 17.3 km over 5% and 6.9 km above 8%, including almost 2 km above 10%.
| Climb | Starts at | On this ride | Full ascent | Top on this ride |
|---|---|---|---|---|
| Saint-Étienne-de-Cuines climb | 0 km | 8.7 km · 610 m · 7 % · max 9 % | 8.7 km · 610 m · 7 % | 1099 m |
| Nanchenu climb | 9.4 km | 10.4 km · 817 m · 7.8 % · max 11.7 % | 10.4 km · 817 m · 7.8 % | 1917 m |