| Otzerimendi | 6.87 km | 6.3% | 432 m | Cat. 2 |
| Undurraga | 8.25 km | 5% | 461 m | Cat. 2 |
| Urrekotxi | 5.26 km | 6.8% | 356 m | Cat. 2 |
| Eleizondo | 3.68 km | 8.1% | 349 m | Cat. 3 |
| Ipiñaburu | 2.81 km | 10.2% | 287 m | Cat. 3 |
| Ipiñaburu | 2.94 km | 7.9% | 287 m | Cat. 3 |
| Bastalarra | 3.09 km | 7.3% | 226 m | Cat. 3 |
| Otzerimendi | 3.24 km | 6.8% | 221 m | Cat. 3 |
| Uribe | 3.45 km | 6.1% | 210 m | Cat. 3 |
| Uribe | 2.78 km | 6.2% | 173 m | Cat. 3 |
| Otzerimendi | 5.51 km | 3.1% | 172 m | Cat. 3 |
| Ipiñaburu | 1.09 km | 15.4% | 169 m | Cat. 3 |
| GR-123 Bizkaiko bira | 1.12 km | 14.7% | 165 m | Cat. 3 |
| GR-123 Bizkaiko bira | 1.55 km | 10.6% | 204 m | Cat. 3 |
| Senda a Gorbea por Iñiger/Gorbeiako bidea (Iginiger) | 1.67 km | 9.8% | 164 m | Cat. 3 |
| Uribe | 2.32 km | 6.8% | 157 m | Cat. 4 |
| Undurraga | 2.86 km | 5.3% | 153 m | Cat. 4 |
| Undurraga | 2.63 km | 5.7% | 150 m | Cat. 4 |
| Bastelarrara bidexka | 1.45 km | 9.9% | 144 m | Cat. 4 |
| Undabe | 1.22 km | 11.8% | 149 m | Cat. 4 |
| Ipiñaburu | 1.49 km | 9.5% | 151 m | Cat. 4 |
| Otzerimendi | 1.42 km | 9.2% | 130 m | Cat. 4 |
| Undurraga | 2.28 km | 5.4% | 175 m | Cat. 4 |
| Undurraga | 1.19 km | 10% | 119 m | Cat. 4 |
| Ipiñaburu | 0.77 km | 14.6% | 113 m | Cat. 4 |
| Urrekotxi | 1.51 km | 7.3% | 111 m | Cat. 4 |
| Tarragona-Bilbao | 1.47 km | 7.4% | 109 m | Cat. 4 |
| Otzerimendi | 1.17 km | 9.1% | 106 m | Cat. 4 |
| Gandatsegi | 0.99 km | 9.4% | 134 m | Cat. 4 |
| GR-123 Bizkaiko bira | 0.77 km | 11.7% | 90 m | Cat. 4 |
| Barazar Gaina | 0.98 km | 9% | 88 m | Cat. 4 |
| Kalearte | 0.8 km | 10.3% | 85 m | Cat. 4 |
| Undurraga | 0.92 km | 8.7% | 80 m | Cat. 4 |
| Undurraga | 4.17 km | 1.9% | 79 m | N/A |
| Undurraga | 1.44 km | 5% | 72 m | N/A |
| Barazar Gaina | 1.06 km | 6.3% | 75 m | N/A |
| Ibarguen | 1.06 km | 5.9% | 63 m | N/A |
| Undurraga | 0.52 km | 11.5% | 60 m | N/A |
| Upete | 0.52 km | 11.5% | 59 m | N/A |
| Uribe | 0.55 km | 9.7% | 53 m | N/A |
| Undabe | 0.37 km | 13.1% | 49 m | N/A |
| Gandatsegi | 0.55 km | 8.4% | 46 m | N/A |
| Eleizondo | 0.53 km | 8.7% | 47 m | N/A |
| Ipiñaburu | 0.23 km | 13.5% | 31 m | N/A |
| Undurraga | 0.39 km | 7.5% | 29 m | N/A |
| Barazar Gaina | 0.31 km | 7.8% | 24 m | N/A |
| GR-123 Bizkaiko bira | 0.23 km | 9.6% | 35 m | N/A |
| BI-3542 | 1.85 km | 1.1% | 19 m | N/A |
| Otzerimendi | 0.14 km | 13.3% | 20 m | N/A |
| Ipiñaburu | 0.31 km | 6% | 19 m | N/A |
| Otzerimendi | 0.33 km | 2.5% | 8 m | N/A |
| Otzerimendi | 0.37 km | 1.9% | 7 m | N/A |