La-Croix-du-Mazet from Rive-de-Gier
La-Croix-du-Mazet from Rive-de-Gier: 11.9 km at 4.1% average and 489 m of climbing, up to 660 m.
- Distance
- 11.9 km
- Elevation gain
- 489 m
- Elevation loss
- 137 m
- Average gradient
- 4.1 %
- Start altitude
- 298 m
- Road
- Minor road
- Surface
- Paved throughout
- Steepest 500 m
- 13.2 %
- Hardest 2 km
- 7.7 %
- Hardest kilometre
- km 11 · 10.0%
- Above 8%
- 1.8 km (15% of the climb)
- Difficulty index
- 1.0 Easy
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 | 56 min | 12.7 km/h |
| 3.0 W/kg — 210 W | 40 min | 17.8 km/h |
| 4.0 W/kg — 280 W | 32 min | 22.1 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 | 6.2 % | 361 m |
| 2 | 4.2 % | 402 m |
| 3 | -3.0 % | 372 m |
| 4 | 1.0 % | 382 m |
| 5 | 8.7 % | 469 m |
| 6 | 1.0 % | 479 m |
| 7 | -3.2 % | 447 m |
| 8 | 1.9 % | 465 m |
| 9 | 6.1 % | 526 m |
| 10 | 5.1 % | 577 m |
| 11 | 10.0 % | 676 m |
| 12 (partial) | -3.0 % | 651 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Sainte-Croix-en-Jarez 1.6 km · 8.2 %
- From Saint-Paul-en-Jarez 8.7 km · 3.0 %
- From Vérin 15.5 km · 3.7 %
Frequently asked questions
How long is the climb to La-Croix-du-Mazet?
The hardest climb of La-Croix-du-Mazet, from Rive-de-Gier, is 11.9 km long for 489 m of ascent, i.e. 4.1% average.
What is the steepest part of La-Croix-du-Mazet?
The steepest 500 m sits at 13.2%, and the hardest kilometre is the 11th, at 10.0%.
How long does it take to climb La-Croix-du-Mazet from Rive-de-Gier?
La-Croix-du-Mazet from Rive-de-Gier takes about 40 min at 3.0 W/kg, i.e. 17.8 km/h on average. The page gives three levels and their assumptions.
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