| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Hypothetical | Boulder problem | 8B+ | 4 | ||
| Iceberg | Boulder problem | 8C | 4 | ||
| Il Duce | Trad climb | E5 | 4 | ||
| Imothep (du Sol) | Boulder problem | 8B+ | 4 | ||
| Impossible Traverse | Boulder problem | 8B | 4 | ||
| Impulse | Trad climb | E8 | 4 | ||
| Incubator | Boulder problem | 8A+ | 4 | ||
| Indecent Exposure | Sport route | 7c | 4 | ||
| Infamous | Boulder problem | 8B | 4 | A left hand finish to Devon Sent. |
|
| Intermezzo XY Gelöst | Sport route | 9a | 4 | ||
| Internationale | Trad climb | E7 | 4 | ||
| Iron Resolution | Boulder problem | 8B | 4 | ||
| Is Not Always Pasqua? | Trad climb | E9 | 4 | ||
| Jaws II | Sport route | 9a+ | 4 | Originally a Dave Graham 8c called Jaws. Several key holds broke making the line significantly harder. |
|
| Jean-Claude van Lamb | Boulder problem | 8B | 4 | ||
| Jehovakill | Sport route | 8b+ | 4 | ||
| Jenny Wren | Trad climb | E5 | 4 | ||
| Joe-Cita | Sport route | 9a | 4 | A link up combining the lower part of Joe Blau with the upper part of La Marroncita. |
|
| Jour de Chasse | Boulder problem | 8B | 4 | ||
| Jumbo Love | Sport route | 9b | 4 | The first confirmed 9b in the world when Chris Sharma made the first ascent in 2008. Akira and Chilam Balam were both claimed at 9b before but Akira has settled at 9a following repeats and the it is believed that Chilam Balam was not actually climbed until later. Bolted by Randy Leavitt who originally imagined it as a 3 pitch route. |