Midnight Lightning is on the Columbia Boulder in Camp 4 of Yosemite.
It has been described as the world’s most famous bouldering problem.
The first ascent was by Ron Kauk in 1978 and the first female ascent was by Lynn Hill in 1998.
The problem had been easily identified by a chalk lightning bolt draw by John Bachar in 1978 while attempting the problem with John Yablonski and Ron Kauk. In May 2013, the iconic chalk lightning bolt was scrubbed off the face of the boulder, but later redrawn in the same spot.
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