| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Interrogation | Trad climb | E3 | 1 | ||
| Interstate | Trad climb | E1 | 1 | ||
| Interstellar SDS | Boulder problem | 8B | 1 | ||
| In the Flick of Time | Boulder problem | 7C | 1 | ||
| In the Heat of the Night | Trad climb | E6 | 1 | ||
| Into the Dread | Trad climb | E7 | 1 | ||
| Into the Light | Trad climb | E8 | 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 | ||
| I Ran the Bath | Trad climb | E7 | 1 |
Now more typically done as a DWS at about 7b. |
|
| Iris | Boulder problem | 8B+ | 1 | ||
| Ironman | Trad climb | E5 | 1 | ||
| Iron Man | Sport route | 9a | 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 | ||
| I Scream | Trad climb | E6 | 1 |
The first E6 on Lundy. |
|
| Isinglas | Trad climb | E8 | 1 | ||
| Isla Hold ‘em | Boulder problem | 8B | 1 |
Links Isla de Encanta (8B) into Texas Hold 'Em (7B+) |
|
| It Hurts | Trad climb | E7 | 1 |