Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Ultra Instinto | Boulder problem | 8B+ | 1 | ||
| Ultramarine | Boulder problem | 8B | 1 | ||
| Ultra Normal Plus | Boulder problem | 8B | 1 | ||
| Umbongo | Boulder problem | 7C+ | 1 | ||
| Uncle Bombo | Boulder problem | 8B | 1 | ||
| Under Control | Boulder problem | 8B | 1 | ||
| Under Fire | Boulder problem | 8B | 1 | ||
| Under the Bridge | Boulder problem | 8B+ | 1 | ||
| Under The Wagon | Boulder problem | 9A (approx) | 1 |
Moving the wagon reveals this true sit start project to Off the Wagon. |
|
| Undertow | Boulder problem | 8B | 1 | ||
| Underworld | Boulder problem | 8A | 1 | ||
| Unforgiven | Boulder problem | 8B | 1 | ||
| Unjust | Boulder problem | 6A+ | 1 | ||
| Unkochinchin | Boulder problem | 8A+ | 1 | ||
| Unnamed | Boulder problem | 8C | 1 | ||
| Unraveled | Boulder problem | 8B | 1 | ||
| Unrepeatable | Boulder problem | 7B | 1 |
A classic modern friction slab. After flashing the first ascent, Nathan Phillips was unable to repeat the climb. |
|
| Upgrade U | Boulder problem | 8C | 1 |
Named after the song of the same name by Beyonce. References[1] http://datenbank.boulderrausch.de/viewtopic.php?f=63&t=2153&sid=c1aae3739c58d8f38741f0ce922423de |
|
| Utopia | Boulder problem | 8C | 1 | ||
| Valašský Express | Boulder problem | 8C | 1 |