| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 699 m | +66 m | 6.6% | 10% |
|
| 2 | 705 m | +7 m | 0.7% | 4% |
|
| 3 | 709 m | +4 m | 0.4% ? Includes a suspected survey error | 46% |
|
| 4 | 775 m | +66 m | 6.6% | 12.2% |
|
| 5 | 829 m | +54 m | 5.4% | 7% |
|
| 6 | 887 m | +58 m | 5.8% | 6.2% |
|
| 7 | 913 m | +27 m | 2.7% | 5.4% |
|
| 8 | 957 m | +44 m | 4.4% | 5.6% |
|
| 9 | 957 m | −1 m | −0.1% | 2% |
|
| 10 | 979 m | +22 m | 2.2% | 2.8% |
|
| 11 | 1011 m | +32 m | 3.2% | 4.6% |
|
| 12 | 1024 m | +14 m | 2.8% | 5.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.