About Andrew Lock
Born 1961. Andrew Lock is an Australian mountaineer.
Andrew James Lock OAM (born 26 December 1961) is an Australian mountaineer. He became the first, and still remains the only, Australian to climb all 14 "eight-thousanders" (the peaks over 8,000-metres above sea level) on 2 October 2009, and is the 18th person to ever complete this feat. He climbed 13 of the 14 without bottled oxygen, only using it on Mount Everest, which he has summited three times. He retired from eight-thousander climbing in 2012. The term "gritty" is often used to describe Lock, and he is noted for his understated and self-deprecating manner. and it often takes more than one attempt, on average, to climb an eight-thousander (Lock has an overall eight-thousander success rate of circa 50%).
"Some people are driven by the desire for unusual bragging rights. Others seek to prove to themselves what kind of stuff they are made of. Still others – and I suspect Lock may fit in this category – get tremendous satisfaction from coping well with a huge challenge". — Elizabeth Hawley, "Himalayan Database"
His first 8,000-metre summit was of K2, which he climbed in 1993 with a small team that included legendary Himalayan climber Anatoli Boukreev, who later died in 1997 on Annapurna. The "Savage Mountain" lived up to its fearsome reputation when three of his summit partners were killed in separate falls (on the same face), and Lock rescued a Swedish climber. On that expedition, Lock had to rescue three members of other teams coming down from the summit, giving up his own oxygen along the way.
Lock has climbed with several leading high-altitude Himalayan mountaineers, including Anatoli Boukreev (K2 in 1993), Göran Kropp (Broad Peak in 1994), Doug Scott and Wojciech Kurtyka (Nanga Parbat Mazeno Ridge in 1995), and Iván Vallejo & Iñaki Ochoa de Olza (Annapurna 2007). Lock made a second attempt to summit Everest solo, via the North side, without supplementary oxygen in May 2012, but abandoned the climb 300 metres from the summit due to self diagnosed early symptoms of Cerebral Oedema. [This was incorrectly reported as High altitude pulmonary oedema].
Lock retired from personal high-altitude climbing after his 2012 Everest experience, however, a final "oxygenless" ascent of Everest (his third Everest ascent), remains a potential project. He continues to guide commercial expeditions to Mt Everest and other peaks in the Himalaya and around the world, specialising in small teams with high logistical support.
Personal
In 2009 Lock was awarded the Australian Geographic Society's Adventurer of the Year award. On 13 June 2011, Lock was awarded the Medal of the Order of Australia for service to mountaineering.
Lock is an ambassador of the Sir David Martin Foundation.
Lock is the author of SUMMIT 8000 which was published in Australia and New Zealand in 2014, and MASTER OF THIN AIR, which was published in the United States of America in 2015. Both books relate to his journey to climb the fourteen 8000-metre peaks.
8,000-metre summits 1993 K2 (8,611 metres) – first Australian ascent through Pakistan 1997 Dhaulagiri (8,167 metres) – first Australian ascent 1997 Broad Peak (8,048 metres) – solo ascent 1998 Nanga Parbat (8,125 metres) – first Australian ascent 1999 Hidden Peak (8,068 metres) – first Australian ascent 1999 Gasherbrum II (8,035 metres) – Alpine-style ascent 2000 Mount Everest (8,848 metres) – first Australian to lead a commercial expedition to the summit of Mt. Everest 2002 Manaslu (8,163 metres) – first Australian ascent 2002 Lhotse (8,516 metres) – solo ascent 2003 Shishapangma Central (8,008 metres) – solo ascent 2004 Everest (8,848 metres) – second personal ascent; Discovery Channel expedition climber and cameraman 2004 Cho Oyu (8,201 metres) – solo ascent 2005 Cho Oyu (8,201 metres) – second personal ascent; commercial expedition leader 2005 Shishapangma Central (8008 metres) – second personal ascent; commercial expedition leader 2006 Kangchenjunga (8,596 metres) – second Australian ascent 2007 Annapurna (8,091 metres) – first Australian ascent 2008 Makalu (8,496 metres) 2009 Shishapangma Main Summit (8,027 metres) – first Australian ascent
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Important facts
People in Andrew Lock's life
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Frequently asked questions
Who is Andrew Lock?
Australian Himalayan mountaineer
When was Andrew Lock born?
Andrew Lock was born on 26 December 1961 in Australia.
What is Andrew Lock's occupation?
Andrew Lock is a mountaineer.
What nationality is Andrew Lock?
Andrew Lock is Australian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Andrew Lock. https://biography.guide/andrew-lock/
MLA: "Andrew Lock." Biography.guide, https://biography.guide/andrew-lock/.
Chicago: "Andrew Lock." Biography.guide. https://biography.guide/andrew-lock/.
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