Col du Grand Colombier from Anglefort
Col du Grand Colombier from Anglefort: 14.6 km at 8.1% average and 1,192 m of climbing, up to 1,498 m.
- Distance
- 14.6 km
- Elevation gain
- 1,192 m
- Elevation loss
- 11 m
- Average gradient
- 8.1 %
- Start altitude
- 315 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 13.7 %
- Hardest 2 km
- 11.2 %
- Hardest kilometre
- km 5 · 11.0%
- Above 8%
- 8.2 km (56% of the climb)
- Difficulty index
- 10.0 Hard
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 | 2h00 | 7.3 km/h |
| 3.0 W/kg — 210 W | 1h21 | 10.8 km/h |
| 4.0 W/kg — 280 W | 1h02 | 14.1 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 | 10.4 % | 419 m |
| 2 | 9.4 % | 513 m |
| 3 | 9.9 % | 611 m |
| 4 | 9.1 % | 703 m |
| 5 | 11.0 % | 813 m |
| 6 | 10.7 % | 920 m |
| 7 | 8.9 % | 1,009 m |
| 8 | 10.3 % | 1,112 m |
| 9 | 9.5 % | 1,207 m |
| 10 | 4.8 % | 1,254 m |
| 11 | 2.2 % | 1,276 m |
| 12 | 5.7 % | 1,333 m |
| 13 | 5.5 % | 1,388 m |
| 14 | 6.3 % | 1,451 m |
| 15 (partial) | 7.0 % | 1,496 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Virieu-le-Petit (Arvière-en-Valromey) 9.1 km · 10.1 %
- From Culoz-Béon 17.2 km · 7.4 %
Frequently asked questions
How long is the climb to Col du Grand Colombier?
The hardest climb of Col du Grand Colombier, from Anglefort, is 14.6 km long for 1,192 m of ascent, i.e. 8.1% average.
What is the steepest part of Col du Grand Colombier?
The steepest 500 m sits at 13.7%, and the hardest kilometre is the 5th, at 11.0%.
How long does it take to climb Col du Grand Colombier from Anglefort?
Col du Grand Colombier from Anglefort takes about 1h21 at 3.0 W/kg, i.e. 10.8 km/h on average. The page gives three levels and their assumptions.
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