The Sisu project is an unclimbed line in Finland first tried by Nalle Hukkataival. It is incredibly hard: Nalle was only able to do a handful of the moves over the course of many sessions.
[1] http://nalle-hukkataival.blogspot.com/2010/04/sisu-project.html
1 recorded ascents, including 1 unsuccessful ascent.
Climber | Style | Ascent Date | Suggested Grade |
---|---|---|---|
Nalle Hukkataival | Boulder | did not finish | ||
References |