Midnight lightening. The register plaque is now bolted to a boulder just to the left of this most iconic Yosemite test piece. The meticulous documentation of bouldering routes over a period of decades helped make the case for Camp 4’s inclusion on the National Register of Historic Places. For more on climbing in Yosemite see historian Joseph Taylor’s amazing, Pilgrims of the Vertical: Yosemite Rock Climbers and Nature at Risk (Harvard University Press, 2010)
