| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Climb That | Boulder problem | 8B+ | 0 | ||
| Closing Down | Sport route | 8b+ | 0 | ||
| Club Crack | Trad climb | E2 | 0 | ||
| Coast to Coast | Trad climb | E4 | 0 |
A long traverse of The Diamond. John Nuttall on how to second the route:
References[1] Paul Harrison. Lundy. United Kingdom: Climbers' Club, 2008. |
|
| Colossus | Trad climb | E3 | 0 | ||
| Conquistador | Trad climb | E7 | 0 | ||
| Controlled Burning | Trad climb | E4 | 0 |
In 2014 a major rockfall significantly altered the route. It was still climbable (and had some ascents) but was very different from the original line. In 2022 the route collapsed entirely. |
|
| Control Theory | Boulder problem | 8A | 0 | ||
| Conviction | Boulder problem | 8A | 0 | ||
| Corner Direct | Trad climb | E4 | 0 | ||
| Cougar | Trad climb | E3 | 0 | ||
| Counterstroke of Equity | Trad climb | E5 | 0 | ||
| Coup de Feel | Boulder problem | 7C | 0 | ||
| Cracking Up | Trad climb | E7 | 0 | ||
| Creeping Flesh | Trad climb | E5 | 0 | ||
| Crème de la Crumb | Boulder problem | 7C+ | 0 | ||
| Crisis | Trad climb | E8 | 0 | ||
| Cromagnon | Sport route | 5+ | 0 | ||
| Cromlech Dyno | Boulder problem | 6B+ | 0 | ||
| Crown | Trad climb | S | 0 |