| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Christian Leitner | 1 | |
| Christof Stiegler | 1 | |
| Christoph Hainz | 1 | |
| Christoph Hanke | 1 | |
| Christoph Schweiger | 1 | Christoph Schweiger was a young German climber who sadly died aged 21 when he was struck by a car in 2023. References |
| Chris Watts | 1 | |
| Chris Weidner | 1 | |
| Chris Wentworth | 1 | |
| Chuck Fryberger | 1 | |
| Chuck Kroger | 1 | Late 1960s Yosemite activist and lifelong adventurer. In 2006 he built one of the first Via Ferratas in the US in his home town of Telluride, now named the Krogerata in his memory. References[1] https://www.adventure-journal.com/2016/04/historical-badass-mountain-renaissance-man-chuck-kroger/ |
| Ciaran Tolan | 1 | |
| Cintia Percivati | 1 | |
| Claire Lin | 1 | |
| Claire Wagstaff | 1 | |
| Clark Alston | 1 | References[1] The Shale Trail: Adventure Climbing in the South West by Clark Alston. On The Edge 117, page 38. |
| Claude Dean Frankland | 1 | |
| Claude Lorenzi | 1 | |
| Claude Wreford-Brown | 1 | |
| Claudie Dunn | 1 | |
| Clay Gordon | 1 |