Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Jam Sandwich | Trad climb | E5 | 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/ |
|
| JCB | Trad climb | E3 | 1 | ||
| Jean | Trad climb | HS (approx) | 1 |
Devil’s Corner, Hobart, Tasmania. |
|
| Jean Jeanie | Trad climb | VS | 1 | ||
| Jermyn Street | Trad climb | E5 | 1 | ||
| Jesus Wept | Trad climb | E6 | 1 | ||
| Jetset | Trad climb | E3 | 1 | ||
| Jinx | Trad climb | E8 | 1 | ||
| John Wayne | Trad climb | E5 | 1 | ||
| Joint Effort | Trad climb | E1 | 1 | ||
| Joker's Wall | Trad climb | E4 | 1 | ||
| Jonathan's Chimney | Trad climb | VS | 1 | ||
| Journey into Freedom | Trad climb | E7 | 1 | ||
| J.R. | Trad climb | E5 | 1 | ||
| Juggernaut | Trad climb | E7 | 1 | ||
| Jurassic Spark | Trad climb | E7 | 1 | ||
| Just a Little Tease | Trad climb | E5 | 1 | ||
| Kachoong | Trad climb | E3 | 1 |