Col du Glandon from Le Bourg-d'Oisans
Col du Glandon from Le Bourg-d'Oisans: 36.5 km at 4.2% average and 1,520 m of climbing, up to 1,924 m.
Opening Fermé l'hiver. Ouverture en général courant mai, parfois après la Croix-de-Fer avec laquelle il partage sa route.
- Distance
- 36.5 km
- Elevation gain
- 1,520 m
- Elevation loss
- 317 m
- Average gradient
- 4.2 %
- Start altitude
- 718 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 14.4 %
- Hardest 2 km
- 10.6 %
- Hardest kilometre
- km 26 · 11.6%
- Above 8%
- 7.2 km (20% of the climb)
- Difficulty index
- 4.9 Moderate
FIETS index: Δaltitude² / (10 × distance) + max(0, summit altitude − 1,000) / 1,000, lengths in metres. How this index works (article in French)
How long does it take?
| Level | Estimated time | Average speed |
|---|---|---|
| 2.0 W/kg — 140 W | 2h53 | 12.6 km/h |
| 3.0 W/kg — 210 W | 2h04 | 17.7 km/h |
| 4.0 W/kg — 280 W | 1h40 | 22.0 km/h |
Estimated for a 70 kg rider on a 9 kg bike, in still air, at a steady effort and without stopping. Wind, a stop at the fountain or a wheel to sit on move these figures by several minutes.
The route
Climb profile
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
Kilometre by kilometre
| Km | Gradient | Altitude at the top of the km |
|---|---|---|
| 1 | 0.2 % | 720 m |
| 2 | -0.3 % | 717 m |
| 3 | 2.3 % | 740 m |
| 4 | -2.6 % | 714 m |
| 5 | -0.1 % | 713 m |
| 6 | -0.2 % | 711 m |
| 7 | -0.1 % | 710 m |
| 8 | 0.2 % | 712 m |
| 9 | 0.1 % | 712 m |
| 10 | 1.2 % | 724 m |
| 11 | 3.1 % | 755 m |
| 12 | 6.5 % | 820 m |
| 13 | 0.2 % | 822 m |
| 14 | 1.8 % | 840 m |
| 15 | 1.2 % | 852 m |
| 16 | 4.2 % | 894 m |
| 17 | 8.1 % | 975 m |
| 18 | 8.2 % | 1,057 m |
| 19 | 10.8 % | 1,165 m |
| 20 | 8.9 % | 1,254 m |
| 21 | 2.9 % | 1,283 m |
| 22 | -0.2 % | 1,281 m |
| 23 | -6.7 % | 1,214 m |
| 24 | 3.1 % | 1,245 m |
| 25 | 8.8 % | 1,333 m |
| 26 | 11.6 % | 1,449 m |
| 27 | 6.0 % | 1,509 m |
| 28 | 9.9 % | 1,609 m |
| 29 | 5.8 % | 1,666 m |
| 30 | 5.8 % | 1,724 m |
| 31 | 2.4 % | 1,748 m |
| 32 | 5.0 % | 1,798 m |
| 33 | -3.6 % | 1,762 m |
| 34 | -2.1 % | 1,741 m |
| 35 | 7.3 % | 1,815 m |
| 36 | 7.5 % | 1,890 m |
| 37 (partial) | 6.5 % | 1,922 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Saint-Étienne-de-Cuines 20.3 km · 7.2 %
- From Saint-Jean-de-Maurienne 31.1 km · 5.3 %
Frequently asked questions
How long is the climb to Col du Glandon?
The hardest climb of Col du Glandon, from Le Bourg-d'Oisans, is 36.5 km long for 1,520 m of ascent, i.e. 4.2% average.
What is the steepest part of Col du Glandon?
The steepest 500 m sits at 14.4%, and the hardest kilometre is the 26th, at 11.6%.
How long does it take to climb Col du Glandon from Le Bourg-d'Oisans?
Col du Glandon from Le Bourg-d'Oisans takes about 2h04 at 3.0 W/kg, i.e. 17.7 km/h on average. The page gives three levels and their assumptions.
Is Col du Glandon open all year round?
Fermé l'hiver. Ouverture en général courant mai, parfois après la Croix-de-Fer avec laquelle il partage sa route.
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