Nant Ffrancon Pass (East side)
Conwy Principal Area, Wales, UK
Nant Ffrancon Pass (East side)
Distance: 22.99 km
Elevation Gain: 310 m
Elevation Loss: 177 m
Difficulty:
168 (Easy)
FIETS Index: 0.59 FIETS
Avg Grade: 2.05 %
Max cat climb: 3
Min elevation: 22 m
Max elevation: 312 m
Ride Category:
Rollers
The Nant Ffrancon Pass in Snowdonia, North Wales is at 312 metres (1,024 ft) at Pont Wern-gof, about one-third of a mile beyond the eastern end of Llyn Ogwen. Nant Ffrancon itself is a steep-sided glacial valley dropping to Bethesda between the Glyderau and the Carneddau. The A5 road crosses the Nant Ffrancon Pass between Llyn Ogwen and Bethesda, Gwynedd. The original road through the Nant Ffrancon was constructed by Lord Penrhyn in the late 18th century. Lord Penrhyn’s road, largely followed the valley floor. Thomas Telford re-engineered it between 1810 and 1826. Telford carved much of his road out of the north-eastern slopes of the Nant Ffrancon, thereby encountering difficulties in construction and future maintenance. But this enabled him to observe a maximum grade of 1 in 14 along the whole route from London to Holyhead in order to facilitate horse drawn mail coaches throughout.
| Rank | Rider | Date | Time | Power | W/kg | Speed |
|---|---|---|---|---|---|---|
| 🥇 | Tom Smeets | Sep 21, 2024 | 00:42:23 | 272 W | 3.73 w/kg | 32.57 km/h |
| 🥈 | Mark Vos | Jan 24, 2026 | 00:42:37 | 270 W | 3.60 w/kg | 32.39 km/h |
| 🥉 | Sebastian Meyer zu Selhausen | Apr 07, 2025 | 00:43:19 | 274 W | 3.11 w/kg | 31.87 km/h |
| 4 | Sytze Veenstra | Sep 16, 2025 | 00:43:36 | 252 W | 3.60 w/kg | 31.66 km/h |
| 5 | D Speelman | Oct 19, 2025 | 00:44:42 | 249 W | 3.19 w/kg | 30.88 km/h |
| 6 | Leon Zupancic | Apr 07, 2025 | 00:45:13 | 232 W | 3.28 w/kg | 30.53 km/h |
| 7 | Geir Skaugen | Jan 06, 2026 | 00:48:04 | 240 W | 2.82 w/kg | 28.72 km/h |
| 8 | Chris | Jul 07, 2025 | 00:48:05 | 205 W | 2.74 w/kg | 28.71 km/h |
| 9 | Raf Van Grieken | Jan 06, 2026 | 00:48:40 | 215 W | 2.65 w/kg | 28.36 km/h |
| 10 | Andrew Fawcett | Apr 27, 2025 | 00:48:41 | 235 W | 2.67 w/kg | 28.35 km/h |
| 11 | Rene van Leeuwen | Oct 21, 2025 | 00:49:38 | 210 W | 2.53 w/kg | 27.81 km/h |
| 12 | Dorus De Leeuw | Jul 05, 2025 | 00:49:42 | 212 W | 2.41 w/kg | 27.77 km/h |
| 13 | Jan Theron | May 05, 2025 | 00:49:58 | 191 W | 2.73 w/kg | 27.63 km/h |
| 14 | Mesozoid | Oct 10, 2025 | 00:50:10 | 188 W | 2.85 w/kg | 27.52 km/h |
| 15 | Tony C | Nov 22, 2025 | 00:50:11 | 191 W | 2.55 w/kg | 27.51 km/h |
| 16 | Eva Klusoňová | Jan 17, 2026 | 00:50:14 | 194 W | 2.59 w/kg | 27.48 km/h |
| 17 | Jörg Schädlich | Feb 14, 2026 | 00:50:34 | 180 W | 2.54 w/kg | 27.30 km/h |
| 18 | Charles Wijnker | Nov 22, 2025 | 00:50:39 | 195 W | 2.60 w/kg | 27.25 km/h |
| 19 | Ian Clark | Apr 07, 2025 | 00:51:22 | 185 W | 2.72 w/kg | 26.87 km/h |
| 20 | michel delamarre | Nov 11, 2025 | 00:51:31 | 184 W | 2.22 w/kg | 26.79 km/h |
| 21 | Francis Chalmers | Apr 12, 2025 | 00:51:36 | 163 W | 2.91 w/kg | 26.75 km/h |
| 22 | Fabio Zanirato | Apr 07, 2025 | 00:51:38 | 158 W | 2.82 w/kg | 26.73 km/h |
| 23 | Damian Jackson | Jan 04, 2026 | 00:52:07 | 199 W | 2.40 w/kg | 26.49 km/h |
| 24 | Michael Novich | Jan 28, 2026 | 00:52:35 | 212 W | 1.99 w/kg | 26.25 km/h |
| 25 | thirard michel | Apr 10, 2026 | 00:52:49 | 176 W | 2.48 w/kg | 26.14 km/h |
| 26 | Mike 8008 | Apr 08, 2025 | 00:53:13 | 191 W | 2.30 w/kg | 25.94 km/h |
| 27 | Rik Lukey | May 09, 2025 | 00:53:38 | 168 W | 2.49 w/kg | 25.74 km/h |
| 28 | Markus Geiger | May 04, 2025 | 00:53:43 | 173 W | 2.22 w/kg | 25.70 km/h |
| 29 | gert wilms | Nov 24, 2025 | 00:53:44 | 196 W | 1.96 w/kg | 25.69 km/h |
| 30 | JJosef Kluson | May 06, 2025 | 00:54:15 | 163 W | 2.17 w/kg | 25.45 km/h |
| 31 | jeanette peterson | Dec 21, 2025 | 00:54:38 | 142 W | 2.35 w/kg | 25.27 km/h |
| 32 | Thomas Kjær-Andersen | Jan 06, 2026 | 00:54:50 | 177 W | 2.16 w/kg | 25.17 km/h |
| 33 | Ricardo Pannekoek | Apr 09, 2025 | 00:55:02 | 173 W | 2.11 w/kg | 25.08 km/h |
| 34 | shurtha riftcrag | Apr 09, 2025 | 00:55:03 | 153 W | 2.48 w/kg | 25.08 km/h |
| 35 | Armen Mosesyan | Dec 18, 2025 | 00:55:18 | 192 W | 1.98 w/kg | 24.96 km/h |
| 36 | Mike Pearman | May 18, 2026 | 00:55:19 | 180 W | 2.11 w/kg | 24.95 km/h |
| 37 | theo van moorsel | Nov 04, 2025 | 00:55:41 | 183 W | 2.08 w/kg | 24.79 km/h |
| 38 | Ron Peterson | Apr 17, 2025 | 00:55:55 | 164 W | 1.95 w/kg | 24.69 km/h |
| 39 | Maurizio Gaudino | Apr 10, 2025 | 00:56:08 | 162 W | 2.03 w/kg | 24.59 km/h |
| 40 | Jos Carboex | Apr 08, 2025 | 00:56:11 | 158 W | 2.11 w/kg | 24.57 km/h |
| 41 | Konrad Arnold | Oct 09, 2025 | 00:56:26 | 153 W | 2.25 w/kg | 24.46 km/h |
| 42 | Isabel Hayley | Apr 14, 2025 | 00:56:34 | 133 W | 2.56 w/kg | 24.40 km/h |
| 43 | Szilard Krizmanics | May 18, 2025 | 00:56:54 | 157 W | 2.15 w/kg | 24.26 km/h |
| 44 | Piotr Ziemiański | Apr 10, 2025 | 00:56:59 | 167 W | 2.11 w/kg | 24.23 km/h |
| 45 | Andreas Alter | Jun 04, 2025 | 00:57:13 | 178 W | 1.98 w/kg | 24.13 km/h |
| 46 | jack66 | Apr 08, 2025 | 00:57:44 | 146 W | 1.95 w/kg | 23.91 km/h |
| 47 | philippe fadi | Nov 22, 2025 | 00:58:16 | 139 W | 2.04 w/kg | 23.69 km/h |
| 48 | Keith Jackson | May 08, 2025 | 00:58:44 | 150 W | 2.00 w/kg | 23.50 km/h |
| 49 | Ron Keshtacher | Apr 10, 2025 | 00:59:00 | 147 W | 1.96 w/kg | 23.40 km/h |
| 50 | J F | Nov 10, 2025 | 00:59:10 | 151 W | 1.72 w/kg | 23.33 km/h |
| 51 | WIM SLIJTERS | Jun 04, 2025 | 00:59:25 | 152 W | 1.88 w/kg | 23.23 km/h |
| 52 | BRUNO MYNAME | Jan 10, 2026 | 00:59:42 | 118 W | 2.36 w/kg | 23.12 km/h |
| 53 | Greg Wong | Dec 20, 2025 | 00:59:48 | 135 W | 1.93 w/kg | 23.08 km/h |
| 54 | Jozef Ceginik | Nov 29, 2025 | 01:00:50 | 143 W | 1.79 w/kg | 22.69 km/h |
| 55 | Cumbriancyclist | Apr 14, 2025 | 01:00:53 | 142 W | 1.84 w/kg | 22.67 km/h |
| 56 | Dimitrios N Servis | Apr 08, 2025 | 01:00:59 | 141 W | 1.78 w/kg | 22.64 km/h |
| 57 | Berne Nyberg | Jan 01, 2026 | 01:00:59 | 148 W | 1.80 w/kg | 22.64 km/h |
| 58 | Klaus Magdziak | Jun 04, 2025 | 01:01:08 | 136 W | 1.81 w/kg | 22.58 km/h |
| 59 | Ray P | Jan 17, 2026 | 01:01:11 | 139 W | 1.78 w/kg | 22.56 km/h |
| 60 | Dick Koch | Apr 10, 2025 | 01:01:44 | 127 W | 1.96 w/kg | 22.36 km/h |
| 61 | Hans Petiet | Oct 16, 2024 | 01:01:54 | 124 W | 1.68 w/kg | 22.30 km/h |
| 62 | APG van Galen | Jan 31, 2026 | 01:02:18 | 141 W | 1.88 w/kg | 22.16 km/h |
| 63 | Iestyn O'Neill | Dec 18, 2025 | 01:02:20 | 137 W | 1.71 w/kg | 22.15 km/h |
| 64 | Audrey Schmidt | Apr 14, 2025 | 01:02:52 | 129 W | 1.90 w/kg | 21.96 km/h |
| 65 | John Savill | Apr 14, 2025 | 01:03:31 | 134 W | 1.68 w/kg | 21.73 km/h |
| 66 | Markus Albert | Sep 24, 2024 | 01:03:50 | 143 W | 1.51 w/kg | 21.62 km/h |
| 67 | W van Koetsveld | May 26, 2025 | 01:03:58 | 124 W | 1.65 w/kg | 21.58 km/h |
| 68 | John Custers | Jan 18, 2026 | 01:04:14 | 130 W | 1.65 w/kg | 21.49 km/h |
| 69 | Rene Crespo | Apr 20, 2025 | 01:04:23 | 139 W | 1.62 w/kg | 21.44 km/h |
| 70 | Chartwell Jones | Oct 19, 2025 | 01:05:35 | 149 W | 1.43 w/kg | 21.05 km/h |
| 71 | earthboundhomes | May 17, 2026 | 01:05:35 | 136 W | 1.55 w/kg | 21.05 km/h |
| 72 | Edward Redfoot | Apr 16, 2025 | 01:06:22 | 115 W | 1.64 w/kg | 20.80 km/h |
| 73 | Peter Muris | Oct 08, 2025 | 01:06:43 | 110 W | 1.47 w/kg | 20.69 km/h |
| 74 | Kalle Rossler | Mar 31, 2026 | 01:07:58 | 124 W | 1.61 w/kg | 20.31 km/h |
| 75 | Richard Tanner | Jun 08, 2025 | 01:08:27 | 124 W | 1.50 w/kg | 20.17 km/h |
| 76 | Yves Livernois | Nov 19, 2025 | 01:08:31 | 115 W | 1.51 w/kg | 20.15 km/h |
| 77 | christian soulard | Oct 23, 2025 | 01:09:54 | 91 W | 1.72 w/kg | 19.75 km/h |
| 78 | Graeme Wilson | Sep 07, 2025 | 01:10:25 | 103 W | 1.37 w/kg | 19.60 km/h |
| 79 | Gil Daniel | Oct 05, 2025 | 01:11:09 | 125 W | 1.30 w/kg | 19.40 km/h |
| 80 | Hans Couvreur | Apr 09, 2025 | 01:12:49 | 110 W | 1.34 w/kg | 18.96 km/h |
| 81 | Gabriele M | Oct 17, 2024 | 01:13:55 | 100 W | 1.37 w/kg | 18.68 km/h |
| 82 | Barbra Barbra | Dec 14, 2025 | 01:14:59 | 85 W | 1.47 w/kg | 18.41 km/h |
| 83 | Joseph | May 16, 2025 | 01:15:16 | 102 W | 1.36 w/kg | 18.34 km/h |
| 84 | Thierry Juguelet | Apr 23, 2026 | 01:17:33 | 101 W | 1.29 w/kg | 17.80 km/h |
| 85 | Mark Thompson | May 14, 2025 | 01:18:29 | 89 W | 1.24 w/kg | 17.59 km/h |
| 86 | Alastair Reynolds | Mar 29, 2026 | 01:18:41 | 84 W | 1.17 w/kg | 17.54 km/h |
| 87 | Justi | Jul 31, 2025 | 01:21:34 | 110 W | 1.10 w/kg | 16.92 km/h |
| 88 | Nina Gorenc | Oct 29, 2025 | 01:22:58 | 74 W | 1.16 w/kg | 16.64 km/h |
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