Northumberland Climbing

Mountaineering

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Mountain climbers ascending Mount Rainier looking at Little Tahoma Peak
A climber taking the final few steps onto the 6,160 m (20,210 ft)[1] summit of Imja Tse (Island Peak) in Nepal, 2004
"Mountaineer" redirects here. For other uses, see Mountaineer (disambiguation).

Mountaineering is the set of activities that involves ascending mountains. Mountaineering-related activities include traditional outdoor climbing, skiing, and traversing via ferratas.[2][3][4][5] Indoor climbing, sport climbing and bouldering are also considered mountaineering by some.[6]

Unlike most sports, mountaineering lacks widely-applied formal rules, regulations, and governance; mountaineers adhere to a large variety of techniques and philosophies when climbing mountains.[7] Numerous local alpine clubs support mountaineers by hosting resources and social activities. A federation of alpine clubs, the International Climbing and Mountaineering Federation (UIAA), is the International Olympic Committee-recognized world organization for mountaineering and climbing.[8]

HistoryEdit

Early mountaineeringEdit

Humans have been present in mountains since prehistory. The remains of Ötzi, who lived in the 4th millennium BC, were found in a glacier in the Ötztal Alps.[9] However, the highest mountains were rarely visited early on, and were often associated with supernatural or religious concepts.[10] Nonetheless, there are many documented examples of people climbing mountains prior to the formal development of the sport in the 19th century, although many of these stories are sometimes considered fictional or legendary.

The famous poet Petrarch describes his 26 April 1336 ascent of Mount Ventoux (1,912 m (6,273 ft)) in one of his epistolae familiares, claiming to be inspired by Philip V of Macedon's ascent of Mount Haemo.[11][12]

For most of antiquity, climbing mountains was a practical or symbolic activity, usually undertaken for economic, political, or religious purposes. A commonly cited example is the 1492 ascent of Mont Aiguille (2,085 m (6,841 ft)) by Antoine de Ville, a French military officer and lord of Domjulien and Beaupré.[12]

The Enlightenment and the Golden Age of AlpinismEdit

 
Edward Whymper (1840-1911), painting by Lance Calkin

The Age of Enlightenment and the Romantic era marked a change of attitudes towards high mountains. In 1757 Swiss scientist Horace-Bénédict de Saussure made the first of several unsuccessful attempts on Mont Blanc in France. He then offered a reward to anyone who could climb the mountain, which was claimed in 1786 by Jacques Balmat and Michel-Gabriel Paccard. The climb is usually considered an epochal event in the history of mountaineering, a symbolic mark of the birth of the sport.[10][12]

By the early 19th century, many of the alpine peaks were reached, including the Grossglockner in 1800, the Ortler in 1804, the Jungfrau in 1811, the Finsteraarhorn in 1812, and the Breithorn in 1813.[10] In 1808, Marie Paradis became the first woman to climb Mont Blanc, followed in 1838 by Henriette d'Angeville.[13]

The beginning of mountaineering as a sport in the UK is generally dated to the ascent of the Wetterhorn in 1854 by English mountaineer Sir Alfred Wills, who made mountaineering fashionable in Britain. This inaugurated what became known as the Golden Age of Alpinism, with the first mountaineering club - the Alpine Club - being founded in 1857.[14][15]

One of the most dramatic events was the spectacular first ascent of the Matterhorn in 1865 by a party led by English illustrator Edward Whymper, in which four of the party members fell to their deaths. By this point the sport of mountaineering had largely reached its modern form, with a large body of professional guides, equipment, and methodologies.[12]

In the early years of the "golden age", scientific pursuits were intermixed with the sport, such as by the physicist John Tyndall. In the later years, it shifted to a more competitive orientation as pure sportsmen came to dominate the London-based Alpine Club and alpine mountaineering overall.[16]

Expansion around the worldEdit

In the 19th century, the focus of mountaineering turned towards mountains beyond the Alps, and by the turn of the 20th century, mountaineering had acquired a more international flavour.[17]

In 1897 Mount Saint Elias (18,008 ft (5,489 m)) on the Alaska-Yukon border was summitted by the Duke of the Abruzzi and party.[18] In 1879-1880 the exploration of the highest Andes in South America began when English mountaineer Edward Whymper climbed Chimborazo (20,564 ft (6,268 m)) and explored the mountains of Ecuador.[19] It took until the late 19th century for European explorers to penetrate Africa. Mount Kilimanjaro in Africa was climbed in 1889 by Austrian mountaineer Ludwig Purtscheller and German geologist Hans Meyer, Mount Kenya in 1899 by Halford Mackinder.[20]

The last frontier: The HimalayasEdit

 
Mountaineers, circa 1900
 
Mt. Forbes' summit lunch; nutrition & hydration are key for mountaineering

The last and greatest mountain range was the Himalayas in Central Asia. They had initially been surveyed by the British Empire for military and strategic reasons. In 1892 Sir William Martin Conway explored the Karakoram Himalayas, and climbed a peak of 23,000 ft (7,000 m). In 1895 Albert F. Mummery died while attempting Nanga Parbat, while in 1899 Douglas Freshfield took an expedition to the snowy regions of Sikkim.[21]

In 1899, 1903, 1906, and 1908 American mountaineer Mrs. Fanny Bullock Workman (one of the first professional female mountaineers) made ascents in the Himalayas, including one of the Nun Kun peaks (23,300 ft (7,100 m)). A number of Gurkha sepoys were trained as expert mountaineers by Charles Granville Bruce, and a good deal of exploration was accomplished by them.[21]

In 1902 the Eckenstein-Crowley Expedition, led by English mountaineer Oscar Eckenstein and English occultist Aleister Crowley was the first to attempt to scale K2. They reached 22,000 feet (6,700 m) before turning back due to weather and other mishaps. Undaunted, in 1905 Crowley led the first expedition to Kangchenjunga, the third highest mountain in the world, in an attempt described as "misguided" and "lamentable".[21]

Eckenstein was also a pioneer in developing new equipment and climbing methods. He started using shorter ice axes which could be used single-handed, designed the modern crampons and improved on the nail patterns used for the climbing boots.[22]

By the 1950s, all the eight-thousanders but two had been climbed starting with Annapurna in 1950 by Maurice Herzog and Louis Lachenal on the 1950 French Annapurna expedition. the highest of these peaks Mount Everest was climbed in 1953 after the British had made several attempts in the 1920s; the 1922 expedition reached 8,320 metres (27,300 ft) before being aborted on the third summit attempt after an avalanche killed seven porters. The 1924 expedition saw another height record achieved but still failed to reach the summit with confirmation when George Mallory and Andrew Irvine disappeared on the final attempt. The summit was finally reached on May 29, 1953 by Sir Edmund Hillary and Tenzing Norgay from the south side in Nepal.[21]

Just a few months later, Hermann Buhl made the first ascent of Nanga Parbat (8,125 m), a siege-style expedition culminating in a last 1,300 meters walking alone, being under the influence of drugs: pervitin (based on the stimulant methamphetamine used by soldiers during World War II), padutin and tea from coca leaves. K2 (8,611 m), the second-highest peak in the world, was first scaled in 1954 by Lino Lacedelli and Achille Compagnoni. In 1964, the final eight-thousander to be climbed was Shishapangma (8,013 m), the lowest of all the 8,000 metre peaks.[21]

TodayEdit

Long the domain of the wealthy elite and their agents, the emergence of the middle-class in the 19th and 20th centuries has resulted in mass interest in mountaineering. It became a popular pastime and hobby of many people.[10] Some have to come to criticize the sport as becoming too much of a tourist activity.[23]

OrganizationEdit

ActivitiesEdit

There are different activities associated with the sport.

  • Traditional mountaineering involves identifying a specific mountain and route to climb, and executing the plan by whatever means appropriate. A mountain summit is almost always the goal. This activity is strongly associated with aid climbing and free climbing, as well as the use of ice axe and crampons on glaciers and similar terrain.
  • Ski mountaineering involves skiing on mountainous terrain, usually in terrain much more rugged than typical cross-country skiing. Unlike traditional mountaineering, routes are less well-defined and summiting may not be the main goal.
  • Peak bagging is the general activity of ascending peaks that are on a list of notable mountains, such as the 4000m peaks of the Alps.
  • Enchainment is climbing more than one significant summit in one outing, usually on the same day.
  • Climbing via ferratas involves traversing ladder-like paths on highly exposed terrain.

Rules and GovernanceEdit

Mountaineering lacks formal rules; in theory, any person may climb a mountain and call himself a mountaineer. In practice, the sport is defined by the safe and necessary use of technical skills in mountainous terrain: in particular, roped climbing and snow travel abilities. A variety of techniques have been developed to help people climb mountains that are widely applied among practitioners of the sport.[24][25]

Despite its lack of defined rules and non-competitive nature, mountaineering has much of the trappings of an organized sport, with recognition by the International Olympic Committee and a prominent international sport federation, the UIAA, which counts numerous national alpine clubs as its members. There are also many notable mountaineering/alpine clubs unassociated with the UIAA, such as The Mountaineers and the French Federation of Mountaineering and Climbing.

The premier award in mountaineering is the Piolet d'Or.[26] There are no "world championships" or other similar competitions for mountaineering.

Terrain and techniquesEdit

 
Antique climbing tools

Mountaineering techniques vary greatly depending on location, season, and the particular route a mountaineer chooses to climb. Mountaineers train to climb on all types of terrain whether it be level ground, rock, snow, or ice. Each type of terrain presents its own hazards. Mountaineers must possess adequate food, water, information, and equipment to complete their tasks.[25]

Walk-up terrainEdit

The term "walk-up" or "trek" is used to describe terrain in which no technical equipment is needed.[27] To traverse this terrain, mountaineers hike long distances to a base camp or the beginning of rough terrain, either following trails or using navigation techniques to travel cross-country. Hiking may be a strenuous activity, and adequate physical fitness and familiarity with the wilderness is necessary to complete a hike; it is also a prerequisite of success in all aspects of mountaineering.[25]

RockEdit

Alpine rock climbing involves technical skills including the ability to place anchors into the rock to safely ascend a mountain. In some cases, climbers may have to climb multiple pitches of rock in order to reach the top. Typically, for any one pitch, there is a belayer who is stationary and creates tension on the rope to catch a climber should he or she fall, and a climber who ascends the rock. The first climber, called the leader, will reach a point on the rock and then build an anchor, which will secure subsequent climbers. Anchors could be created by using slings around a tree or boulder, or by using protection devices like cams and nuts.

Once anchored, the leader will then belay the climber coming up from below. Once the follower reaches the leader, the leader will often transfer all necessary protection devices (known as a rack) to the follower. The follower then becomes the leader and will ascend the next pitch. This process will continue until the climbers either reach the top, or run into different terrain.[7][25]

For extremely vertical rocks, or to overcome certain logistical challenges, climbers may use aid climbing techniques. This involves the use of equipment, such as ladders, fixed lines, and ascenders to help the climber push him or herself up the rock.[7]

In alpine climbing, it is common for climbers to see routes of mixed terrain. This means climbers may need to move efficiently from climbing glacier, to rock, to ice, back and forth in a number of variations.[25]

Snow and iceEdit

Compacted snow conditions allow mountaineers to progress on foot. Frequently crampons are required to travel efficiently and safely over snow and ice. Crampons attach to the bottom of a mountaineer's boots and provide additional traction on hard snow and ice. For loose snow, crampons are less suitable, and snowshoes or skis may be preferred. Using various techniques from alpine skiing to ascend/descend a mountain is a form of the sport by itself, called ski mountaineering.[25]

Ascending and descending a steep snow slope safely requires the use of an ice axe and different footwork techniques that have been developed over the past century, such as the French technique and German technique. Teams of climbers may choose to attach everyone together with a rope, to form a rope team. The team may then secure themselves by attaching the rope to anchors. These anchors are sometimes unreliable, and include snow stakes or pickets, deadman devices called flukes, or buried equipment or rocks. Bollards, which are simply carved out of consolidated snow or ice, also sometimes serve as anchors. Alternatively, a roped team may choose not to use anchors; instead all members of the team will prepare to use their ice axes to self-arrest in the event should a team member fall.[25]

It is not always wise for climbers to form a rope team, since one falling climber may pull the entire team off the mountain. However, the risks of individual, unprotected travel are often so great that groups have no choice but to form a rope team.[25]

For example, when travelling over glaciers, crevasses pose a grave danger to a climber who is not roped in. These giant cracks in the ice are not always visible as snow can be blown and freeze over the top to make a snowbridge. At times snowbridges can be as thin as a few inches, and may collapse from people walking over them. Should a climber fall, being protected by a rope greatly reduces the risk of injury or death. The other members of the rope team may proceed with a crevasse rescue to pull the fallen climber from the crevasse.[25]

For extremely slippery or steep snow, ice, and mixed rock and ice terrain climbers must use more advanced techniques, called ice climbing or mixed climbing. Specialized tools such as ice screws and ice picks help climbers build anchors and move up the ice, as well as traditional rock climbing equipment for anchoring in mixed terrain. Often, mountaineers climbing steep snow or mixed snowy rock terrain will not use a fixed belay. Instead each climber on the team will climb at the same time while attached to anchors, in groups of two. This allows for safety should the entire team be taken off their feet which also allowing for greater speed than the traditional technique of belaying one climber at a time. This technique is known as simul-climbing or a running belay and is sometimes also used on ice, however the risk of dropping frequently displaced ice on the lower team member(s) limits its usefulness on ice. Traditional belays are also used; in this case, this is sometimes necessary due to ice fall hazard, steepness, or other factors.[25]

ShelterEdit

 
Tenting on the Columbia Icefield
"Basecamp" redirects here. For other uses, see Base camp (disambiguation).

Climbers use a few different forms of shelter depending on the situation and conditions. Shelter is a very important aspect of safety for the climber as weather in the mountains may be very unpredictable. Tall mountains may require many days of camping.[25]

Short trips lasting less than a day generally do not require shelter, although for safety, most mountaineers will carry an emergency shelter, such a light bivouac sack.[25]

CampingEdit

Typical shelters used for camping include tents and bivouac sacks. The ability of these shelters to provide protection from the elements is dependent on their design. Mountaineers who climb in areas with cold weather or snow and ice will use more heavy-duty shelters than those who climb in more forgiving environments.[25]

In remote locations, mountaineers will set up a "base camp", which is an area used for staging attempts at nearby summits. Base camps are positioned to be relatively safe from harsh terrain and weather. Where the summit cannot be reached from base camp in a single day, a mountain will have additional camps above base camp. For popular mountains, base camps may be at a fixed location and become famous. The Everest base camps and Camp Muir are among the most famous base camps.

HutEdit

Camping is not always an option, or may not be suitable if a mountain is close to civilization. Some regions may legally prohibit primitive camping due to concern for the environment, or due to issues with crowds. In lieu of camping, mountaineers may choose to stay in mountain huts.

The European alpine regions, in particular, have a large network of huts. Such huts exist at many different heights, including in the high mountains themselves – in extremely remote areas, more rudimentary shelters may exist. The mountain huts are of varying size and quality, but each is typically centred on a communal dining room and have dormitories equipped with mattresses, blankets or duvets, and pillows; guests are expected to bring and use their own sleeping bag liners. The facilities are usually rudimentary, but, given their locations, huts offer vital shelter, make routes more widely accessible (by allowing journeys to be broken and reducing the weight of equipment needing to be carried), and offer good value. In Europe, all huts are staffed during the summer (mid-June to mid-September) and some are staffed in the spring (mid-March to mid-May). Elsewhere, huts may also be open in the fall. Huts also may have a part that is always open, but unmanned, a so-called winter hut.[28]

When open and manned, the huts are generally run by full-time employees, but some are staffed on a voluntary basis by members of alpine clubs. The manager of the hut, termed a guardian or warden in Europe, will usually also sell refreshments and meals, both to those visiting only for the day and to those staying overnight. The offering is surprisingly wide, given that most supplies, often including fresh water, must be flown in by helicopter, and may include glucose-based snacks (such as candy bars) on which climbers and walkers wish to stock up, cakes and pastries made at the hut, a variety of hot and cold drinks (including beer and wine), and high carbohydrate dinners in the evenings. Not all huts offer a catered service, though, and visitors may need to provide for themselves. Some huts offer facilities for both, enabling visitors wishing to keep costs down to bring their own food and cooking equipment and to cater using the facilities provided. Booking for overnight stays at huts is deemed obligatory, and in many cases is essential as some popular huts, even with more than 100 bed spaces, may be full during good weather and at weekends. Once made, the cancellation of a reservation is advised as a matter of courtesy – and, indeed, potentially of safety, as many huts keep a record of where climbers and walkers state they plan to walk to next. Most huts may be contacted by telephone and most take credit cards as a means of payment.[28]

In the UK the term "hut" is used for any cottage or cabin used as a base for walkers or climbers. These are mostly owned by mountaineering clubs for use by members or visiting clubs and generally do not have wardens or permanent staff, but have cooking and washing facilities and heating. In the Scottish Highlands small simple unmanned shelters without cooking facilities known as "bothies" are maintained to break up cross country long routes and act as base camps to certain mountains.

Snow caveEdit

Where conditions permit, snow caves are another way to shelter high on the mountain. Some climbers do not use tents at high altitudes unless the snow conditions do not allow for snow caving, since snow caves are silent and much warmer than tents. They can be built relatively easily, given sufficient time, using a snow shovel. The temperature of a correctly made snow cave will hover around freezing, which relative to outside temperatures can be very warm. They can be dug anywhere where there is at least four feet of snow. The addition of a good quality bivvy bag and closed cell foam sleeping mat will also increase the warmth of the snow cave. Another shelter that works well is a quinzee, which is excavated from a pile of snow that has been work hardened or sintered (typically by stomping). Igloos are used by some climbers, but are deceptively difficult to build and require specific snow conditions.[25]

HazardsEdit

Main article: Hazards of outdoor recreation

Template:Further

Mountaineers face a variety of hazards. When climbing mountains, there are two types of hazards, objective and subjective. Objective hazards relate to the environment, and may include inclement weather conditions, dangerous terrain, and poor equipment. Subjective hazards relate to a climber's poor judgement, poor planning, lack of skills, or inadequate conditioning.[7]

In terms of objective hazards, the dangers mountaineers face include falling rocks, falling ice, snow-avalanches, the climber falling, falls from ice slopes, falls down snow slopes, falls into crevasses, and the dangers from altitude and weather.[29]

WeatherEdit

The primary dangers caused by bad weather center on the changes it causes in snow and rock conditions, making movement suddenly much more arduous and hazardous than under normal circumstances.

Whiteouts make it difficult to retrace a route while rain may prevent taking the easiest line only determined as such under dry conditions. In a storm the mountaineer who uses a compass for guidance has a great advantage over a merely empirical observer. In large snow-fields it is, of course, easier to go wrong than on rocks, but intelligence and experience are the best guides in safely navigating objective hazards.

Summer thunderstorms may produce intense lightning.[29] If a climber happens to be standing on or near the summit, they risk being struck. There are many cases where people have been struck by lightning while climbing mountains. In most mountainous regions, local storms develop by late morning and early afternoon. Many climbers will get an "alpine start", that is, before or by first light, so as to be on the way down when storms are intensifying in activity and lightning and other weather hazards are a distinct threat to safety. High winds can speed the onset of hypothermia, as well as damage equipment such as tents used for shelter.[29][30] Under certain conditions, storms can also create waterfalls which can slow or stop climbing progress. A notable example is the Föhn wind acting upon the Eiger.

AltitudeEdit

Rapid ascent can lead to altitude sickness.[29][31] The best treatment is to descend immediately. The climber's motto at high altitude is "climb high, sleep low", referring to the regimen of climbing higher to acclimatise but returning to lower elevation to sleep. In the Andes, the chewing of coca leaves has been traditionally used to treat altitude sickness symptoms.

Common symptoms of altitude sickness include severe headache, sleep problems, nausea, lack of appetite, lethargy and body ache. Mountain sickness may progress to HACE (High Altitude Cerebral Edema) and HAPE (High Altitude Pulmonary Edema), both of which can be fatal within 24 hours.[29][31][32]

In high mountains, atmospheric pressure is lower and this means that less oxygen is available to breathe.[29] This is the underlying cause of altitude sickness. Everyone needs to acclimatise, even exceptional mountaineers that have been to high altitude before.[33] Generally speaking, mountaineers start using bottled oxygen when they climb above 7,000 m. Exceptional mountaineers have climbed 8000-metre peaks (including Everest) without oxygen, almost always with a carefully planned program of acclimatisation.

Styles of mountaineeringEdit

 
Fixed lines and ladders are distinguishing characteristics of expedition style mountaineering

There are two main styles of mountaineering: expedition style and alpine style.

Alpine style, or informal variations of it, is the most common form of mountaineering today. It involves a single, straightforward climb of the mountain, with no backtracking. This style is most suited for medium-sized mountain areas close to civilization with elevations of 2,000–5,000 m (6,600–16,400 ft), such as the Alps or the Rocky Mountains. Alpine style ascents have been done throughout history on extreme altitude (above 5,000 m) peaks also, albeit in lower volume to expedition style ascents. Climbers generally carry their loads between camps without backtracking, in a single push for the summit. If the summit is reachable from the base camp or trailhead within one day, then alpine-style mountaineers will not change camps at all, and only carry the slightest of loads (necessary nourishment and equipment) up to the summit. "Light and fast" is the mantra of the alpine mountaineer.[25]

The alpine style contrasts with "expedition style". With this style, climbers will carry large amounts of equipment and provisions up and down the mountain, slowing making upward progress. Climbing in an expedition style is preferred if the summit is very high or distant from civilization. Mountaineers who utilize this style are usually, but not always, part of a large team of climbers and support staff (such as porters and guides). To cover large distances with their massive of amount of gear, sleds and pack animals are commonly used. Climbers will set up multiple camps along the mountain, and will haul their gear up the mountain multiple times, returning to a lower camp after each haul until all the gear is at a higher camp; and repeating this procedure until they reach the summit. This technique is also helpful for acclimatization.[25] While it is the original style in which high mountains were climbed, expedition style is rare these days as more mountains have become accessible to the general public with air travel and the accuses of highways into mountainous regions. But it is still common in ranges such as the Alaska Range and the Himalayas.

The differences between, and advantages and disadvantages of, the two kinds of climbing are as follows:[25]

Expedition styleEdit

  • Uses multiple trips between camps to carry supplies up to higher camps
  • Group sizes are often larger than alpine style climbs because more supplies are carried between camps
  • Fixed lines are often used to minimize the danger involved in continually moving between camps
  • For the highest mountains, supplemental oxygen is frequently used
  • There is a higher margin of safety in relation to equipment, food, time, and ability to wait out storms at high camps
  • Avoidance of being trapped in storms at high altitudes and being forced to descend in treacherous avalanche conditions
  • Possible higher exposure to objective hazards such as avalanches or rockfall, due to slower travel times between camps
  • Higher capital expenditures and a longer time scale

Alpine styleEdit

  • Climbers climb the route only once because they do not continually climb up and down between camps with supplies
  • Fewer supplies are used on the climb, therefore fewer personnel are needed
  • Alpine-style ascents do not leave the climber exposed to objective hazards as long as an expedition-style climb does; however, because of the speed of the ascent relative to an expedition-style climb there is less time for acclimatization
  • For the highest mountains, supplemental oxygen is rarely used, or used more sparingly.
  • Danger of being trapped at high altitude due to storms, potentially being exposed to HAPE or HACE
  • Lower capital expenditures and a shorter time scale

See alsoEdit

ReferencesEdit

  1. ↑ "Nepal Mountaineering Association". web page. 2008. Retrieved 2 June 2011.
  2. ↑ Whitlock, W., Van Romer, K., & Becker, H. (1991). Nature Based Tourism: An Annotated Bibliography Clemson SC: Strom Thurmond Institute, Regional Development Group.
  3. ↑ Pomfret, G. (2006). Mountaineering adventure tourists: a conceptual framework for research. Tourism Management, 27(1), 113–123. https://dx.doi.org/10.1016/j.tourman.2004.08.003
  4. ↑ Beedie, P., & Hudson, S. (2003). Emergence of mountain-based adventure tourism. Annals of Tourism Research, 30(3), 625–643.
  5. ↑ Apollo, Michal (2017). "The true accessibility of mountaineering: The case of the High Himalaya". Journal of Outdoor Recreation and Tourism. 17: 29–43. doi:10.1016/j.jort.2016.12.001.
  6. ↑ Coalter, F., Dimeo, P., Morrow, S., & Taylor, J. (2010). The Benefits of Mountaineering and Mountaineering Related Activities: A Review of Literature. A Report to the Mountaineering Council of Scotland
  7. ↑ 7.0 7.1 7.2 7.3 Thomas Kublak (8 June 2014). Mountaineering Methodology - Part 1 - The Basics. Tomas Kublak - MMPublishing. ISBN 978-80-87715-12-3.
  8. ↑ "UIAA Activities". UIAA. Archived from the original on 2011-05-11. Retrieved 2015-01-02.
  9. ↑ Description of the Discovery Archived 13 December 2011 at the Wayback Machine of Ötzi at the South Tyrol Museum of Archaeology web site
  10. ↑ 10.0 10.1 10.2 10.3 Ludovic Seifert; Peter Wolf; Andreas Schweizer (19 September 2016). The Science of Climbing and Mountaineering. Taylor & Francis. ISBN 978-1-317-40315-9.
  11. ↑ "Medieval Sourcebook: Petrarch: The Ascent of Mount Ventoux". Internet History Sourcebooks Project. 1996-01-26. Retrieved 2019-09-09.
  12. ↑ 12.0 12.1 12.2 12.3 Peter H. Hansen (14 May 2013). The Summits of Modern Man. Harvard University Press. ISBN 978-0-674-07452-1.
  13. ↑ Brown, Rebecca A. (2002). Women on High: Pioneers of Mountaineering. Appalachian Mountain Club Books. ISBN 1-929173-13-X.
  14. ↑ [1], britannica.com. Retrieved 2 November 2010
  15. ↑ "1865: the Golden Age of Mountaineering". Vertebrate Publishing. Retrieved May 12, 2020.
  16. ↑ Claire Eliane Engel (1950), A History of Mountaineering in the Alps, chapter VII.
  17. ↑ Template:Cite encyclopedia
  18. ↑ House, William P. (1939). "K2-1938". Feature Article. American Alpine Journal. American Alpine Club. Retrieved 2016-12-09.
  19. ↑ "Ascent Of Chimborazo". The Cornishman (92). 15 April 1880. p. 3.
  20. ↑ Mackinder, Halford John (May 1900). "A Journey to the Summit of Mount Kenya, British East Africa". The Geographical Journal. 15 (5): 453–476. doi:10.2307/1774261. JSTOR 1774261.
  21. ↑ 21.0 21.1 21.2 21.3 21.4 Maurice Isserman; Stewart Angas Weaver; Dee Molenaar (2010). Fallen Giants: A History of Himalayan Mountaineering from the Age of Empire to the Age of Extremes. Yale University Press. ISBN 978-0-300-16420-6.
  22. ↑ Rowell, Galen (1977). In The Throne Room of the Mountain Gods. San Francisco: Sierra Club Books. pp. 36–40. ISBN 978-0-87156-184-8.
  23. ↑ "How Mount Everest became a tourist destination". Washington Post. Retrieved May 12, 2020.
  24. ↑ http://files.patcms.org/upropes/1948/1948-13.pdf
  25. ↑ 25.00 25.01 25.02 25.03 25.04 25.05 25.06 25.07 25.08 25.09 25.10 25.11 25.12 25.13 25.14 25.15 25.16 Cox, Steven M.; Fulsaas, Kris, eds. (2009) [2003]. Mountaineering: The Freedom of the Hills (7th ed.). Seattle: The Mountaineers. ISBN 978-0-89886-828-9.
  26. ↑ "Recap of the Piolets d'Or 2018 Ceremony in Ladek Zdroj, Poland". Rock and Ice. 2018-10-05. Retrieved 2020-03-29.
  27. ↑ "Fall or Slip on Rock, Falling Rock, Failure to Follow Route, Washington, Mount Thompson - Search The American Alpine Journal and Accidents". AAC Publications. 1989-09-24. Retrieved 2019-09-09.
  28. ↑ 28.0 28.1 Jonathan Hurdle (1999). Walking Austria's Alps: Hut to Hut. The Mountaineers Books. ISBN 978-0-89886-640-7.
  29. ↑ 29.0 29.1 29.2 29.3 29.4 29.5 Cymerman, A; Rock, PB. "Medical Problems in High Mountain Environments. A Handbook for Medical Officers". USARIEM-TN94-2. US Army Research Inst. of Environmental Medicine Thermal and Mountain Medicine Division Technical Report. Archived from the original on 2009-04-23. Retrieved 2009-03-05. Cite journal requires |journal= (help)
  30. ↑ Hamilton, AJ. "Biomedical Aspects of Military Operations at High Altitude". USARIEM-M-30/88. US Army Research Inst. of Environmental Medicine Thermal and Mountain Medicine Division Technical Report. Retrieved 2009-03-05. Cite journal requires |journal= (help)
  31. ↑ 31.0 31.1 Roach, Robert; Stepanek, Jan & Hackett, Peter. (2002). "24". Acute Mountain Sickness and High-Altitude Cerebral Edema. In: Medical Aspects of Harsh Environments. 2. Borden Institute, Washington, DC. Retrieved 2009-01-05.
  32. ↑ Roach, James M. & Schoene, Robert B. (2002). "25". High-Altitude Pulmonary Edema. In: Medical Aspects of Harsh Environments. 2. Borden Institute, Washington, DC. Retrieved 2009-01-05.
  33. ↑ Muza, SR; Fulco, CS; Cymerman, A (2004). "Altitude Acclimatization Guide". US Army Research Inst. Of Environmental Medicine Thermal and Mountain Medicine Division Technical Report (USARIEM–TN–04–05). Retrieved 2009-03-05.

Further readingEdit

External linksEdit

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