Alpine climbing

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Alpine climbing (German: Alpinklettern) is a type of mountaineering that uses any of a broad range of advanced climbing skills, including rock climbing, ice climbing, and/or mixed climbing, to summit typically large routes (e.g. multi-pitch or big wall) in an alpine environment. While alpine climbing began in the European Alps, it is used to refer to climbing in any remote mountainous area, including in the Himalayas and Patagonia. The derived term alpine style refers to the fashion of alpine climbing to be in small lightly equipped teams who carry their equipment (e.g. no porters), and do all of the climbing (e.g. no sherpas or reserve teams).

Alpinists face a wide range of serious risks in addition to the specific risks of rock, ice, and mixed climbing. This includes the risks of rockfalls (common with rock faces in alpine environments), avalanches (especially in couloirs), seracs and crevasses, violent storms hitting climbers on exposed mountain faces, altitude effects (dehydration, edema, frostbite), complex navigation and route finding, long abseils, and the difficulty of rescue and/or retreat due to the remote setting. Due to the scale of the routes, alpine climbers need to be able to move together for speed (e.g. simul climbing or as rope teams), which is another source of specific risk.

The first "golden age" of modern alpine climbing was the first free ascents–in summer, in winter, and as solo–of the great north faces of the Alps by pioneers such as Walter Bonatti, Riccardo Cassin and Gaston Rebuffat. The subsequent era, which is still ongoing, is focused on the equivalent ascents and enchainments, of the ice and snow-covered faces and ridges of major Himalayan peaks (e.g. the eight-thousanders, Latok, The Ogre) and Patagonian peaks (e.g. Cerro Torre Group, Fitz Roy Group) in "alpine style" by pioneers such as Hermann Buhl, Reinhold Messner and Doug Scott, and latterly by alpinists such as Ueli Steck, Mick Fowler, Paul Ramsden, and Marko Prezelj. The annual Piolets d'Or are awarded for the best achievements in alpine climbing.

Alpine climbing involves small unsupported teams tackling large multi-pitch (or big wall) routes that can involve various combinations of rock climbing, ice climbing, and mixed climbing, in alpine-type mountain environments. Alpine routes are often long and require a full day of climbing or even several days. Because of the length of the routes, and the danger of alpine environments (e.g. rockfall, avalanche, altitude, weather, etc.), alpine climbers (or "alpinists") typically try routes that are well within their technical rock, ice, or mixed climbing capabilities.^[2][3]

While parts of an alpine route will involve a lead climber tackling difficult rock, ice, or mixed sections while being belayed by a stationary second climber below, parts will involve both climbers moving simultaneously together as a rope team, particularly on large snow slopes or easier rock sections.^[4] Simultaneous climbing (or simul climbing) is riskier but is necessary to ensure that the climbers can move quickly through what is often a very dangerous and exposed environment (e.g. rockfall on open ice fields), and complete the routes in a reasonable time.^[2][4][5]

Alpine climbing can involve aid climbing, particularly if high up on a route, aid is needed to make progress and avoid a dangerous retreat.^[4] It can also involve multiple and complex abseils, either on the descent or in a retreat from a route. Classic alpine climbing routes often take at least a full day of climbing which necessitates the early "alpine start" (and helps to avoid the afternoon rockfalls), and may force a bivouac.^[4] It often involves traveling on glaciers and bergschrunds to get to and from the route (and in the dark for "alpine starts").^[2][3]

Due to the greater complexity and risks of alpine climbing, alpinists need to be much more familiar with and confident in each team member's abilities and skill level.^[4] Alpine climbing involves exercising judgment and decision-making to adapt to the constantly changing alpine weather and route conditions (e.g. changing snow and ice levels), and where good initial progress can quickly turn into a fight for the team's very survival (e.g. as extensively chronicled during the famous 1936 Eiger climbing disaster).^[2]

The derived term "alpine style" alludes to the fashion of alpine climbing to be in small fast-moving teams – or even solo – who carry all of their own equipment (e.g. no porters), and do all of the climbing (e.g. no sherpas or reserve teams laying down fixed ropes).^[7] "Alpine-style" is the opposite of expedition style (which is sometimes pejoratively called "siege style"), and is often considered a "purer" form of climbing.^[8][9][10]

"Alpine style" also means being "lightly equipped" with for example no supplementary oxygen, no major tenting or overnight equipment, and limited food and fuel supplies. It also means having no fixed ropes on the route (an important safety feature of expedition-style mountaineering).^[8][11][10]

While these attributes enable alpine climbers to move quickly and take advantage of good conditions and "weather windows", it also makes alpine climbing far more dangerous. In situations where the habitually unstable high-altitude weather turns, alpine climbers will not have the provisions to "sit out" the storm, and will not have the fixed ropes in place to retreat safely and quickly; such forced retreats in poor conditions are dangerous.^[8][10]

While alpine climbers are "lightly equipped" due to the fact that they must carry all of their equipment while climbing, the range of climbing equipment needed can be considerable due to the diverse range of climbing techniques required on major alpine routes, and the harsh conditions encountered.^[12]

• Rock-climbing equipment: Routes involving rock climbing require the equipment needed for traditional climbing. Alpine climbers may also hammer in bolts or pitons while climbing the route in order to give additional protection in the manner of a sport climbing route (i.e. where traditional climbing protection is not usable). Use of climbing helmets is common given the danger of rockfall on alpine-type routes.^[13]
• Ice climbing equipment: Routes involving ice or snow require the equipment needed for ice climbing or mixed climbing. In particular, ice axes, ice screws, and crampons will be required, as well as some of the broader tools needed for climbing in snow conditions such as avalanche equipment and snow belay systems. Alpine climbers may have to change from heavy ice climbing boots into rock climbing shoes while on the route.
• Big wall climbing equipment: Routes involving a large number of vertical rock pitches, may also require the additional equipment typical in big wall climbing, such as portaledges, bivouac sacks, and haul bags, as well as the specialized equipment for extensive and heavy-duty abseiling; and also elements of aid climbing equipment to ensure progress can be made.

Alpinists face a number of additional risks to the risks of rock climbing, ice climbing, and mixed climbing, making it one of the most dangerous forms of climbing.^[8] In 2019, Francis Sanzaro writing in the New York Times said of modern alpinism: "The routes are becoming more technically demanding, in more remote areas, and the method of "light and fast" — minimal gear, no fixed ropes, doing the route in a single push — is now regarded as the best style. These trends, and others, have made the sport of alpine climbing very, very dangerous".^[14] In 2021, the New York Times called the Piolets d'Or, alpine climbing's most important award, "A Climbing Award That May Be a Winner’s Last", due to the number of fatalities of past winners.^[15]

Additional risks faced by alpinists to the risks of rock climbing, ice climbing, and mixed climbing, are:^[16][17]

• Rockfall. Alpine-type rock faces are in a perpetual state of erosion, which leads to periods of significant rockfall on various routes. The action of these rockfalls can be amplified by the couloirs that some alpine routes ascend. Climate change has increased this risk even further.^[17][18][19]

• Avalanche. Similarly to rockfall, alpinists face the risk of avalanches whose effects are also amplified by the couloirs some alpine routes ascend. In addition to encountering avalanches while on exposed alpine faces, they also encounter this risk when traveling to and from the routes. Leading modern alpinists including David Lama, Jess Roskelley, Hansjörg Auer, and Marc-André Leclerc have been killed in such a fashion.^[17]
• Abseils. The completion of alpine climbs, or a retreat mid-route, can involve lengthy and complicated abseils for the descent.^[17] Descending major routes can require +20 abseils, carried out by tired climbers and often in poor conditions. A failure of any of these abseils can be fatal. The famous 1978 retreat from Latok I required 85 abseils; in 1977, Doug Scott famously broke both legs abseiling down Ogre I, but survived.^[8]
• Altitude. Alpine climbing is done at higher altitudes, and modern alpine climbing in the Himalayas and Patagonia is done at very high altitudes, including the death zone. As alpinists need to carry their equipment, supplementary oxygen is usually not employed. High altitude not only brings the specific risks of AMS and edema but also increases the effects of dehydration and fatigue, and thus poor decision making.^[17]
• Weather. Alpinists attempt bold and exposed routes – often on the dark north faces of mountains – at high altitudes where the weather is unstable. They don't carry the equipment to "wait out" storms. Retreats by alpinists in violent storms can be more dangerous than the route itself.^[17] One of the most famous examples is the 1936 Eiger climbing disaster, with the infamous image of alpinist Toni Kurz hanging from his rope.
• Glaciers and cornices. Alpinists usually need to travel over glaciers in getting to and from their routes, and can also encounter hanging glaciers on routes. Glaciers bring the risks of crevasses (including bergschrunds at the base of routes), and of large falling seracs, which is amplified by the need to travel on glaciers in the dark (an "Alpine start") to complete routes before the sun increases the risks of rockfall and avalanche. Many alpinists were killed falling through cornices such as Hermann Buhl.^[17]
• Navigation. Alpine routes are typically long and can follow complex paths through large mountain ridges and faces. A mistake in navigation or route finding, which can be exacerbated by poor weather, the effects of altitude, or the need to travel in the dark, can lead the climbers into situations that are fatal. It is not uncommon for alpinists to "go missing" on large routes; notable examples are Peter Boardman and Joe Tasker.^[17]
• Remoteness. Alpine climbs are in remote settings. Even in the European Alps, alpine climbers that get into difficulty can wait long periods before rescue is available or possible. Alpine climbers in the Himalayas and in Patagonia may take significantly longer periods to rescue, and for advanced and dangerous routes, rescue may simply not be possible without endangering the rescuers.^[17]

Due to the complexity of routes in alpine climbing, the "overall" grade denotes the general level of seriousness of the route to which is added additional specific grade(s) for any rock climbing (usually the French, American, or UIAA grades for free climbing, and the A-grade for aid climbing), ice climbing (the WI-grade), and mixed climbing (the M-grade) involved. In addition, alpine grades will quote the inclination of the main snow slopes encountered (e.g. 50–60 degrees), as these are often not graded ice climbs, but contribute significantly to the overall risk.^[20]

The most widely used "overall" grades are the acronyms of the UIAA Scale of Overall Difficulty, also known as the International French Adjectival System (IFAS).^[21] The UIAA warns against aligning their acronyms with equivalent rock and ice climbing grades, as the objective dangers can vary dramatically on routes with similar rock and ice climbing grades. For example, the famous 1,800-metre Eiger North Face 1938 Heckmair Route is graded ED2 even though the rock climbing is graded UIAA V− and the ice climbing is only at 60 degrees (i.e. both typically a D grade), due to the exceptional length and danger of the route.^[21] In spite of this, attempts have been made to ascribe a "typical" range of rock and ice climbing grades for to each acronym:^[20][22][23]

• F: facile (easy). Beginner climbing, possibly a glacial approach, with snow at an easy angle; little real rock or ice climbing, some scrambling.^[20][23]
• PD: peu difficile (slightly difficult). Novice alpine climbing. PD-/PD/PD+ routes have snow slopes of up to 45 degrees, glaciers but no real ice climbing, may involve easy rock climbing at grades 3a  III to 3c  IV.^[20][23]
• AD: assez difficile (fairly difficult). Intermediate alpine climbing with long pitches of fully roped climbing. AD-/AD/AD+ routes have sustained snow and ice at an angle of 45–65 degrees, with ice climbing at grade WI3, and rock climbing at grades 4a (5.4) IV+ to 4c (5.6) V.^[20][23]
• D: difficile (difficult). Hard and serious routes even for experienced climbers, can be long or short. D-/D/D+ routes have sustained snow and ice at an angle of 50–70 degrees, with ice climbing at grade WI4, and rock climbing at grades 5a (5.7) V+ to 5c (5.9) VI.^[20][23]
• TD: très difficile (very difficult). These routes are serious undertakings with high levels of objective danger. TD-/TD/TD+ routes have sustained snow and ice at an angle of 65–80 degrees, with ice climbing at grades WI5 to WI6, and rock climbing at grades 6a (5.10a) VI+ to 6c (5.11a/b) VII+.^[20][23]
• ED1/2/3/4... : extrêmement difficile (extremely difficult). Extremely hard, exceptional objective danger, vertical ice slopes with ice climbing at grades above WI6, and rock climbing at grades above 6c (5.11a/b) VII+; retreats may be extremely difficult in poor weather.^[20][23]

Note: A "+" (pronounced Sup for supérieur) or a "−" (pronounced Inf for inférieur) is placed after the acronym to indicate if a climb is at the lower or upper end of that grade (e.g., a climb slightly harder than "PD+" might be "AD−").^[21] The term ABO for abominable is explicitly not recognized by the UIAA.^[21]

The following are the most notable milestones in alpine climbing (and latterly, alpine-style climbing as applied worldwide):

• 1938. A team led by Anderl Heckmair completed the greatest prize in European alpine climbing, the first ascent of the north face of the Eiger. Even today, the 1938 Route (as it is known), carries a grade of ED2, due to its extreme danger beyond its technical grades of V A0 60-degree slopes.
• 1938–1949. Gaston Rébuffat became the first alpinist to complete the six great north faces of the Alps.^[24]
• 1955. Walter Bonatti completed a 5-day solo of a new route on the southwest face of the Petit Dru, which became known as the Bonatti Pillar, one of the hardest feats of alpine climbing at the time; much of the pillar fell off in 2005 and the route no longer exists.^[25]
• 1977–1978. Ivano Ghirardini became the first alpinist to climb the "Trilogy" in winter, and solo; Catherine Destivelle was the first female to complete the solo winter Trilogy in 1992–1994.^[26]

• 1975. Reinhold Messner and Peter Habeler made the first ascent of the Northwest Face of Gasherbrum I in pure alpine style; the first alpine-style ascent of an eight-thousander, which climbers previously believed could only be summited in expedition style.^[8]
• 1976. After 25 days of climbing, Peter Boardman and Joe Tasker summit the west wall of Changabang in alpine style; their integration of big wall climbing techniques was revolutionary. Boardman's account, The Shining Mountain, became a classic in mountain literature.^[27]
• 1977. A small team led by Doug Scott and Chris Bonington made the first ascent of The Orge in pure alpine style; the descent turned into a struggle for survival as Scott and Bonnington were severely injured on the abseil; the ascent attracted worldwide interest for its boldness.^[8]
• 1978. After 26 days of climbing, a small team led by Jeff Lowe gets to within 500 feet of the summit Latok I via the north ridge in pure alpine style; the route would not be climbed until 2022 but Lowe's bold attempt increased worldwide interest in "pure alpine style" climbing.^[8]
• 2013. Ueli Steck soloed in pure alpine style the Lafaille Route on the enormous south face of Annapurna in just 28-hours, for which he won the 2013 Piolet d'Or; the provenance of the climb was initially questioned,^[28] but upheld by witnesses.^[29]

• 2021. Sean Villanueva O'Driscoll solos the Moonwalk Traverse, which is the enchainment of the 10 summits of the Cerro Chaltén Group, in Patagonia, for which he won the 2022 Piolet d'Or award,^[30] and was called one of the greatest alpine solos in climbing history.^[31]

A number of notable climbing films have been made about alpine climbing (and alpine climbing routes), including:^[32]

• The Alpinist, a 2021 documentary film about the late Canadian alpinist Marc-André Leclerc, featuring his ascent of Torre Egger
• Meru, a 2015 documentary film about the ascent of the Shark Fin's Route on Meru Peak in the Himalayas
• North Face, a 2008 German historical film about the 1936 Eiger climbing disaster
• Touching the Void, a 2003 docudrama about a famous alpine climbing rescue in the Peruvian Andes
• The Eiger Sanction, a 1975 fictional thriller film that involves an ascent of the north face of the Eiger

• Mixed climbing
• Ice climbing
• Rock climbing
• Glossary of climbing terms

• Cosley, Kathy; Houston, Mark (2004). Alpine Climbing: Techniques to Take You Higher. Mountaineers Books. ISBN 978-0898867497.
• Goodlad, Bruce (2011). Alpine Mountaineering: Essential Knowledge for Budding Alpinists. Pesda Press. ISBN 978-1906095307.
• House, Steve (2014). Training for the New Alpinism: A Manual for the Climber as Athlete. Patagonia. ISBN 978-1938340239.
• Twight, Mark; Martin, James (1999). Extreme alpinism: climbing light, fast & high (1. ed.). Seattle, Wash: Mountaineers. ISBN 0898866545.

• The Alps: A Glance at Modern Alpine Style, American Alpine Club (2001)
• Essential alpine climbing know-how, British Mountaineering Council (2016)
• Grading of Alpine Climbs, Ari Paulin Base Camp Database (2023)