| Rank | Climb |
|---|---|
|
The Cowlyd from Trefriw
3.1 km
13.3%
621
|
|
|
Bwlch-y-Groes from Llanymawddwy
3.4 km
11.3%
542
|
|
|
The Blorenge / Foxhunter from Llanfoist
5.2 km
8.7%
523
|
|
| 4 |
Dinorwig Surge Pond from Brynrefail
8.4 km
6.6%
514
|
| 5 |
Electric Mountain / Marchlyn Mawr from Brynrefail
7.5 km
7.1%
508
|
| 6 |
Electric Mountain / Marchlyn Mawr from Tregarth via Sling
9.1 km
6.1%
468
|
| 7 |
Dinorwig Surge Pond from Tregarth via Sling
10 km
5.7%
463
|
| 8 |
Llanover Wall
3.9 km
9.1%
455
|
| 9 |
The Blorenge / Foxhunter from Llanellen
5.9 km
7.8%
452
|
| 10 |
Cwm Eigiau from Tal-y-Bont
3.7 km
9.6%
434
|
In Wales cyclists can find 691 interesting climbs between 2 m and 654 m above sea level. The Cowlyd from Trefriw is the toughest ascent with a difficulty score of 621. Climbs have an average length of 2.7 km and 155 m of total ascent.
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