Pen-y-Gwryd expeditions took place, at Helyg near Capel Curig. On the right at the hotel entrance there is a Tyrolean-style Stüberl (dining room) with the signatures, written on the ceiling, of the teams that did the first ascent of Everest in 1953 and of the first ascent of Kangchenjunga in 1955 – these include Sir Edmund Hillary, Tenzing Norgay, Sir John Hunt, Charles Evans, George Band, Joe Brown, John Angelo Jackson, Wilfred Noyce, Tony Streather, Tom Mackinnon, Norman Hardie, Neil Mather, John Clegg and others, including Noel Odell from Mallory's 1924 expedition and Chris Bonington of later successes. There are many
World altitude record (mountaineering) before the successful attempt, Tom Bourdillon and Charles Evans reached the South Summit before turning back due to malfunctioning oxygen apparatus. Their height of 8,760 m (28,750 ft) represented a new, short lived, altitude record, and can be seen as a summit record if this is taken to include minor tops as well as genuine mountains. Edmund Hillary and Tenzing Norgay finally reached the 8,848 m (29,029 ft) true summit on 29 May 1953, marking the final chapter in the history of the mountaineering altitude record. While the exact height of Everest's summit is subject to minor variation due to