V 5.10b, although opinions on the technical grade vary.
[1] https://www.mountainproject.com/route/105874557/direct-north-buttress-dnb
5 successful ascents recorded.
| Climber | Style | Ascent Date | Suggested Grade |
|---|---|---|---|
| Yvon Chouinard First ascent. With some points of aid. | Lead | ground up | Jun 1962 | |
| Steve Roper First ascent. | Alternate Leads | ground up | Jun 1962 | |
| Frank Sacherer First free ascent. | Lead | ground up | 1965 | |
| Eric Beck First free ascent. | Alternate Leads | ground up | 1965 | |
| Charlie Fowler | Solo | 1977 |