![Upper Buttress](https://27crags.s3.amazonaws.com/photos/000/186/186476/huge-e54cc71ed376.png)
Iron Cross, 6c
Added by
Stuart Millis
Grade opinions
Ascents from public tick lists
![](https://27crags.s3.amazonaws.com/photos/000/064/64846/small-b9a2f816e68e.jpg)
Stuart Millis
2nd ASCENT
2019-11-23
On-sight
Tricky low crux, then much easier above. Borderline F6b+/6c, but prob worth the grade for the trouble it'll give the short...
![](https://27crags.s3.amazonaws.com/photos/000/067/67774/small-e05193d76c89.jpg)
Nick Kung
2019-12-26
Flash
![](https://27crags.s3.amazonaws.com/photos/000/211/211520/small-43fa675e8cdb.jpg)
Channing Lai
2020-01-04
Flash
Ben Mitchell
2020-02-29
Flash
Agnes Kwan
2020-02-29
Red point