| Grullos | 11.89 km | 4.2% | 755 m | Cat. 2 |
| Carretera Grullos - Peñaullán | 17.42 km | 2.8% | 489 m | Cat. 2 |
| Grullos | 10.94 km | 4.2% | 460 m | Cat. 2 |
| Grullos | 11.66 km | 3.5% | 616 m | Cat. 2 |
| AS-38 | 7.55 km | 5% | 531 m | Cat. 2 |
| Carretera de Cornellana a San Román de Candamo | 5.29 km | 5.6% | 396 m | Cat. 3 |
| Carretera Santoseso - La Peral | 4.42 km | 6% | 267 m | Cat. 3 |
| Carretera del Escamplero a Peñaflor | 2.74 km | 9.2% | 253 m | Cat. 3 |
| Grullos | 5.52 km | 4.4% | 242 m | Cat. 3 |
| AS-312 | 4.25 km | 4.5% | 303 m | Cat. 3 |
| Puente de Peñaflor | 12.6 km | 1.4% | 181 m | Cat. 3 |
| Grullos | 8.06 km | 2.2% | 173 m | Cat. 3 |
| Grullos | 2.72 km | 5.2% | 142 m | Cat. 4 |
| Carretera Grullos - Peñaullán | 2.39 km | 5.6% | 133 m | Cat. 4 |
| Grullos | 27.28 km | 0.5% | 122 m | Cat. 4 |
| Carretera del Escamplero a Peñaflor | 1.31 km | 9.2% | 152 m | Cat. 4 |
| Carretera del Escamplero a Peñaflor | 19.77 km | 0.6% | 111 m | Cat. 4 |
| AS-38 | 3.24 km | 3.2% | 104 m | Cat. 4 |
| Grullos | 8.11 km | 1.1% | 90 m | Cat. 4 |
| Carretera La Mortera | 1.49 km | 5.4% | 80 m | Cat. 4 |
| Grullos | 1.44 km | 4.1% | 59 m | N/A |
| Carretera de los Veneros | 0.85 km | 5.3% | 45 m | N/A |
| Grullos | 8.34 km | 0.4% | 501 m | N/A |
| AS-38 | 4.4 km | 0.7% | 33 m | N/A |
| Carretera de los Veneros | 0.33 km | 6.5% | 21 m | N/A |
| Carretera Santoseso - La Peral | 0.91 km | 2% | 18 m | N/A |
| Grullos | 0.21 km | 8% | 17 m | N/A |
| Carretera de Cornellana a San Román de Candamo | 9.45 km | 0.1% | 13 m | N/A |