About: ZM was the last independent big line climbed on El Capitan. At the time of the first ascent the route was one of the hardest in the world, with one stretch of five A5 pitches in a row!
FA: Jim Bridwell, Peter Mayfield & Charlie Row 1981. Current bigwall rating: VI 5.7 A4
(Pierre Olsson & Andy Wellman 2002)
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