Semnoz
France, europe
11.3 km
1,660 m
hard
Year-round
# Semnoz (Crêt de Chatillon): A Classic Alpine Climb
Perched at 1,660 meters (5,446 feet) in France's Bauges range in Haute-Savoie, Semnoz—also known as Crêt de Chatillon—is one of those legendary Alpine passes that actually lived up to the hype. The road up (D41) is fully paved, which is always a relief, but don't let that fool you—some sections hit a gnarly 11.4% grade that'll definitely keep you honest on the pedals or behind the wheel.
The pass has serious cycling credentials too; it's been tackled by Tour de France riders over the years. At the summit, there's a modest ski station where you can grab a bite and soak in the views.
**Getting to the top? You've got options:**
Coming from **Quintal** is the shortest but spiciest route: 11.3 km with 922 meters of elevation gain averaging 8.2%. If you're starting from **Col de Leschaux**, it's a more relaxed 13.4 km climb at 5.7% gradient, gaining 763 meters. From **Annecy**, you're looking at 17.4 km and 1,212 meters of elevation gain (averaging 7%), which hits the sweet spot for most climbers. Finally, the **St Jorioz** approach stretches to 22.78 km with 1,202 meters of gain at a mellow 5.2%—perfect if you want to take your time and savor the Alpine scenery.
No matter which route you choose, you're in for stunning mountain views and a climb that'll feel rewarding from start to finish.
Where is it?
Semnoz is located in France (europe). Coordinates: 45.7972, 6.1047
Road Details
- Country
- France
- Continent
- europe
- Length
- 11.3 km
- Max Elevation
- 1,660 m
- Difficulty
- hard
- Coordinates
- 45.7972, 6.1047
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