Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Mr Tickle Extension | Boulder problem | 8A+ | 1 | ||
| Mr Tom | Boulder problem | 8B | 1 | ||
| Mr Yuk | Sport route | 8b+ | 1 | ||
| Mugen | Boulder problem | 8C | 1 | ||
| Mulatto Wall | Trad climb | E3 | 1 | ||
| Munin | Sport route | 8c | 1 | ||
| Murder Mitten | Boulder problem | 8B+ | 1 | ||
| Murena | Sport route | 9a | 1 | ||
| Mur Gwyn | Boulder problem | 8A | 1 | ||
| Mushin' | Boulder problem | 7C+ | 1 | ||
| Mutants Can Be Nice | Trad climb | E7 | 1 | ||
| Mutiny | Sport route | 7c+ | 1 | ||
| My Buddy the Apple | Boulder problem | 7C | 1 | ||
| My Fault Line | Trad climb | E6 | 1 | ||
| My Heart Fails Me | Trad climb | E5 | 1 | ||
| My Mamas a Lama | Sport route | 8b+ | 1 | ||
| My One Power | Boulder problem | 8B+ | 1 | ||
| My Orange | Boulder problem | 7C+ | 1 | ||
| My Prune | Boulder problem | 7C | 1 | ||
| Myr | Sport route | 9a+ | 1 |