| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| I Got Horribly Sober | Sport route | 8b | 1 |
|
|
| Iguanodon | Trad climb | E5 | 1 |
Graded E3 6a by first ascensionist Jonny Woodward, who climbed the route OS solo, it gets E6 in the ‘Over the Moors’ guidebook. |
|
| I Krísi Tis Kírkis | Boulder problem | 8B | 1 | ||
| Il Bombarolo | Sport route | 8c+ | 1 | ||
| Illegal Eagle | Trad climb | E3 | 1 | ||
| Il Lupo Perde Il Pelo Ma Non Il Vizio | Sport route | 8c+ | 1 | ||
| Il Mattino Dei Maghi | Sport route | 8a | 1 | ||
| Il Pirata | Boulder problem | 8C | 1 |
Named after the Italian cyclist Marco Pantani who died around the time the problem was established and bore a resemblance to first ascentionist John Gaskins. |
|
| Il Trono | Boulder problem | 8B | 1 | ||
| Imaculata | Trad climb | E6 | 1 | ||
| Imminent Crisis | Trad climb | E5 | 1 | ||
| Imminent Departees | Trad climb | E7 | 1 | ||
| Importunity | Sport route | 8c | 1 | ||
| Impossible Slab | Trad climb | E3 | 1 | ||
| Impropa Opera SDS | Boulder problem | 8A | 1 | ||
| Impropa Sit Propera | Boulder problem | 8B+ | 1 | ||
| In a Pickle | Trad climb | E6 | 1 | ||
| Incestuous | Trad climb | E2 | 1 | ||
| Inclination | Trad climb | E5 | 1 | ||
| Incubus | Trad climb | E5 | 1 |