The Eiger?

Ally Swinton, on the Eiger's summit ice, photo courtesy of Dave Searle 

"With 1800m of climbing above us and no bivy kit or down jackets we wanted to get a move on so we put our heads down and soloed up to the base of the Difficult Crack."
Jon Giffith

http://daily.epictv.com/blog/2013/02/11/eiger-north-face-a-must-for-every-alpinist/