| OFFICIAL 100Climbs No92 Ffordd Penllech | 0.20 mi | 177 ft | 16.3% |
| Pen Llech | 0.17 mi | 161 ft | 16.8% |
| Steepest Hill in UK | 0.17 mi | 144 ft | 15.9% |
| Ffordd Penllech | 0.19 mi | 167 ft | 16.1% |
| Ffordd Pen Llech | 0.14 mi | 164 ft | 21.1% |
| Harlech to top of St Ds | 0.41 mi | -16 ft | -0.0% |
| Brown Underpant Hill | 1.09 mi | -167 ft | -2.9% |
| Get me out of this place! | 0.09 mi | 33 ft | 6.3% |
| Barmouth Bridge - South | 0.47 mi | 0 ft | 0.0% |
| Cheeky Climb to Llynnau Cregennen | 1.31 mi | 764 ft | 11.0% |
| (MOR) Dringfa Dol I Cross | 2.44 mi | 741 ft | 5.0% |
| Fron Serth steep bit | 0.76 mi | 433 ft | 10.7% |
| Tabor Climb | 1.19 mi | 518 ft | 8.3% |
| Dinas Mawddwy Descent | 2.85 mi | -755 ft | -5.0% |
| Speed wobble | 0.93 mi | -505 ft | -10.3% |
| Hilly approach of the steep part | 5.70 mi | 381 ft | 0.9% |
| Llanymawddwy loop 2nd half | 2.03 mi | 161 ft | 1.0% |
| Bwlch y Groes [Intermediate 1] | 0.33 mi | 131 ft | 7.5% |
| OFFICIAL 100Climbs No91 Bwlch-y-Groes | 1.83 mi | 1,211 ft | 12.5% |
| Bwlch y Groes | 1.63 mi | 1,168 ft | 13.5% |
| Bwlch y Groes [Intermediate 2] | 0.81 mi | 564 ft | 13.2% |
| Bwlch y Groes [Intermediate 3] | 0.34 mi | 338 ft | 18.4% |
| Glanwnion Row Climb | 0.40 mi | 308 ft | 14.3% |
| Bwlch y groes to Vyrnwy - Last descent | 1.58 mi | -554 ft | -6.6% |
| Lake Vyrnwy West Side | 4.38 mi | -20 ft | -0.0% |
| north side 1 | 1.22 mi | -36 ft | -0.2% |
| Rhiwargor First Climb | 0.73 mi | 292 ft | 7.5% |
| Harry Potter Scenery | 1.69 mi | 594 ft | 6.6% |
| A dark place... | 0.52 mi | 272 ft | 9.8% |
| Rhosygwaliau Kick. AAAAAAAAAA!!!!! | 0.23 mi | 59 ft | 3.4% |
| Lake to Bala | 0.72 mi | -20 ft | -0.0% |
| Bypass Sprint | 0.15 mi | -3 ft | -0.3% |
| Some road near Bala | 7.29 mi | 607 ft | 1.3% |
| Cattle grid sprint | 0.56 mi | 23 ft | 0.6% |
| Dam and blast. | 0.70 mi | -125 ft | -2.9% |
| Stwlan Damn | 1.71 mi | 883 ft | 9.7% |
| Stwlan Dam OFFICIAL Wales Climbs | 1.72 mi | 850 ft | 9.3% |
| Never Ending | 0.43 mi | 230 ft | 9.4% |
| W.C.rep | 0.41 mi | 262 ft | 11.8% |
| Now that would be a climb/descent! | 4.37 mi | -1,585 ft | -6.9% |
| Stwlan Descent | 1.56 mi | -797 ft | -9.7% |
| speed wobble hill | 0.52 mi | -200 ft | -7.1% |
| In to Snowdonia NP | 1.55 mi | -453 ft | -5.5% |
| Dwyryd Sprint | 1.39 mi | -194 ft | -0.3% |
| Maentwrog to Harlech Castle | 9.12 mi | 249 ft | 0.3% |
| maentwrog i llandecwyn | 3.87 mi | -141 ft | -0.2% |
| A496 which way to harlech | 1.89 mi | -33 ft | -0.2% |
| Llechwedd Hill | 1.55 mi | 203 ft | 2.5% |
| Llechwedd Hill Start | 0.37 mi | 92 ft | 4.7% |
| Down the Twisties | 0.25 mi | -171 ft | -12.8% |
