| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Jaro | Boulder problem | 8B | 1 | ||
| Jasmine | Trad climb | E6 | 1 |
Ron named the route after his daughter. |
|
| Javelin Blade | Trad climb | E1 | 1 |
One of the hardest pieces of climbing in Wales for a long time. Mark Reeves writes:
References[1] https://www.climber.co.uk/outdoor/jack-longland-the-accidental-hero/ |
|
| Jaws | Sport route | 8c | 1 | ||
| JCB | Trad climb | E3 | 1 | ||
| Jean | Trad climb | HS (approx) | 1 | ||
| Jean Jeanie | Trad climb | VS | 1 | ||
| Jefea | Sport route | 8b | 1 | ||
| Jellied | Deep water solo | 6b+ | 1 | ||
| Jelly Pain | Deep water solo | 8c+ | 1 | ||
| Jermyn Street | Trad climb | E5 | 1 | ||
| Jernkorset | Boulder problem | 8B | 1 | ||
| Jerry's Arete | Boulder problem | 7B+ | 1 | ||
| Jesus Wept | Trad climb | E6 | 1 | ||
| Jeté Croisé en Forêt | Boulder problem | 8B+ | 1 | ||
| Jetset | Trad climb | E3 | 1 | ||
| Jiagi | Boulder problem | 8B+ | 1 | ||
| Jinx | Trad climb | E8 | 1 | ||
| Johnnie Walker | Sport route | 8a | 1 | ||
| John Wayne | Trad climb | E5 | 1 |