Col du Glandon is one of the toughest climbs in the French Alps
France, europe
46.4 km
1,930 m
moderate
Year-round
# Col du Glandon: A Alpine Classic Worth the Climb
Nestled high in the Dauphiné Alps at 1,930m (6,332ft), Col du Glandon is one seriously impressive mountain pass that'll test even experienced drivers. Located in the Savoie department of southeastern France, this beauty stretches a whopping 46.4 km (28.83 miles) between Barrage du Verney and La Chambre, and it's fully paved on road D927.
Here's the deal: this pass has serious credentials. Built way back in 1898, it first appeared in the Tour de France in 1947 and has been a favorite challenge ever since. Every July, it kicks off La Marmotte sportive as the first climb, and summer brings decent traffic as riders and drivers flock here for the stunning views.
The climb is no joke though. Those last seven kilometers? They're where things get real, with gradients ramping up to a brutal 15.5% max. The final two kilometers are relentless—mostly over 10% with stretches hitting 12%. Coming from Barrage du Verney, you're looking at 24.12 km gaining 1,152m (average 4.8%), while the La Chambre approach is 21.3 km with 1,472m elevation gain (average 6.9%).
At the summit, you'll find a proper parking area and a bar-restaurant where you can catch your breath and soak in those incredible alpine views. Fair warning though: the road typically closes from early November through mid-May, so plan your visit for the warmer months.
Where is it?
Col du Glandon is one of the toughest climbs in the French Alps is located in France (europe). Coordinates: 45.3289, 0.3971
Road Details
- Country
- France
- Continent
- europe
- Length
- 46.4 km
- Max Elevation
- 1,930 m
- Difficulty
- moderate
- Coordinates
- 45.3289, 0.3971
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