| Km | Altitude | Gain | Gradient | Max | 0–15% |
|---|---|---|---|---|---|
| 1 | 414 m | +15 m | 1.5% | 4.4% |
|
| 2 | 434 m | +21 m | 2.1% | 7.2% |
|
| 3 | 466 m | +32 m | 3.2% | 9.6% |
|
| 4 | 513 m | +48 m | 4.8% | 45.8% |
|
| 5 | 558 m | +45 m | 4.5% ? Includes a suspected survey error | 44% |
|
| 6 | 572 m | +14 m | 1.4% ? Includes a suspected survey error | 27.2% |
|
| 7 | 617 m | +45 m | 4.5% | 7% |
|
| 8 | 690 m | +73 m | 7.3% | 18% |
|
| 9 | 732 m | +42 m | 4.2% | 8.6% |
|
| 10 | 808 m | +76 m | 7.6% | 13.4% |
|
| 11 | 772 m | −36 m | −3.6% | 4.6% |
|
| 12 | 771 m | −1 m | −0.1% | 3% |
|
| 13 | 808 m | +38 m | 3.8% | 8.5% |
|
| 14 | 903 m | +94 m | 9.4% | 15.6% |
|
| 15 | 1001 m | +98 m | 9.8% | 16.2% |
|
| 16 | 1044 m | +43 m | 4.3% | 8.6% |
|
| 17 | 1034 m | −9 m | −0.9% | 6% |
|
| 18 | 1093 m | +58 m | 5.8% | 10.4% |
|
| 19 | 1169 m | +76 m | 7.6% | 11% |
|
| 20 | 1205 m | +36 m | 3.6% | 6% |
|
| 21 | 1256 m | +51 m | 5.1% | 8.8% |
|
| 22 | 1259 m | +3 m | 0.4% | 3.6% |
|
Difficulty score is length × gradient, weighted for the steepest kilometre.
Riders’ photos, notes and corrections make every profile better.