John Middendorf

John Middendorf
Middendorf, 2006
Born
John William Middendorf IV

(1959-11-18)November 18, 1959
DiedJune 21, 2024(2024-06-21) (aged 64)
Other namesDeucey
EducationBachelor of Science in Mechanical Engineering Stanford (1983)

MA, Architectural Design Harvard

MA, Teaching University of Tasmania
Alma materStanford
OccupationClimbing
Known forBig wall climbing and founding A5 Adventures, a big-wall-equipment manufacturing company.
Notable workGrand Voyage, Trango Towers 1992
SpouseJeni Middendorf
Children2
Parents

John William Middendorf IV (November 18, 1959 – June 21, 2024) was an American big wall climber, mountaineering writer and designer of climbing equipment.

In the 1980s, he climbed the hardest walls of Yosemite, including El Capitan and Half Dome, and in 1992 he climbed the largest rock wall in the world, Great Trango Tower. Also in the late 1980s and early 1990s, he pioneered numerous difficult big wall routes in Zion National Park. He was also a renowned portaledge designer and writer.