Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Insomnia | Boulder problem | 8B+ | 1 | ||
| Insomnio | Boulder problem | 8C | 1 | ||
| Intensitos | Boulder problem | 8B | 1 | ||
| Intergalactic | Boulder problem | 8B | 1 | ||
| Intermezzo | Boulder problem | 7C | 1 | ||
| Interstellar SDS | Boulder problem | 8B | 1 | ||
| In the Flick of Time | Boulder problem | 7C | 1 | ||
| Invisible Man | Boulder problem | 8C+ (approx) | 1 |
On the wall left of Terremer. So called because the holds are so small as to be invisible. |
|
| Invisible Monsters | Boulder problem | 8B+ | 1 | ||
| Iris | Boulder problem | 8B+ | 1 | ||
| Iron Man | Boulder problem | 6B+ | 1 |
One of the earlier recorded problems at The Buttermilks, now a well-travelled classic. |
|
| Ironside | Boulder problem | 8A+ | 1 | ||
| Irréversible | Boulder problem | 7C | 1 | ||
| Isla Hold ‘em | Boulder problem | 8B | 1 |
Links Isla de Encanta (8B) into Texas Hold 'Em (7B+) |
|
| It's Malignant | Boulder problem | 8B | 1 | ||
| Ivan Dobsky | Boulder problem | 8A+ | 1 | ||
| Jabberwocky SD | Boulder problem | 8B | 1 | ||
| Jack the Chipper | Boulder problem | 7C | 1 | ||
| Jah Fingers | Boulder problem | 8A | 1 | ||
| Jahzara Dreaming | Boulder problem | 8B | 1 |