The following is a list of mountaineering disasters by death toll and includes climbing and mountaineering disasters that resulted in deaths during the event of at least 4 people.
List
FatalitiesYearTypeLocationCountryDetails1991902StormHakkōda MountainsHakkōda Mountains disaster Soldiers ordered to the traverse Hakkōda Mountains as a training exercise. Soldiers were given inadequate equipment and training. 95% of the soldiers perished due to hypothermia.452005StormAntuco VolcanoTragedy of Antuco Chilean army major sent group of conscripts to march in blizzard in -35 °C (-30 °F), despite objections from corporals. Only one out of the five companies had mountain survival gear.431990Earthquake and AvalancheLenin PeakLenin Peak disaster 6.4 magnitude earthquake triggered serac fall on Lenin Peak. This resulted in an avalanche crashing into Camp II, where 45 climbers were camping. This is considered to be the worst mountaineering accident in history, where the victims were mountaineers rather than soldiers.432014StormAnnapurna and Dhaulagiri,2014 Nepal snowstorm disaster A snowstorm and a series of avalanches killed trekkers and climbers, including those on Annapurna Circuit and at base camps272022AvalancheDraupadi Ka Danda (DKD2)2022 Uttarakhand avalanche Avalanche during guided mountaineering course buried mountaineers in crevasse242015Earthquake and AvalancheMount Everest,2015 Mount Everest avalanches A 7.8 magnitude earthquake caused an avalanche to sweep into Everest Base Camp241972AvalancheMount Fuji:ja:富士山大量遭難事故 (1972年) On a popular March weekend for climbing, a low pressure system struck, causing rain to seep into climbers' sleeping bags and tents, followed by high winds that caused temperatures of -40 C with windchill. Many died of hypothermia, and six, whose bodies were not found, were believed to have been buried in an avalanche.191968AvalancheBiały Jar1968 Biały Jar avalanche Avalanche swept 25 hikers.172017AvalancheOtgontenger PeakWhile the mountaineers were descending, a large avalanche swept 17 of the 27 members of the party. The cause of death was determined to be trauma sustained in the fall.171991AvalancheKawagarboKawagarbo avalanche A nighttime avalanche killed all seventeen members of a joint Japanese and Chinese expedition to climb the previously unclimbed peak.162014AvalancheMount Everest,2014 Mount Everest ice avalanche Seracs on Khumbu Icefall failed, resulting in ice avalanche that killed sixteen climbing sherpas.161937AvalancheNanga ParbatNanga Parbat#Climbing history Team was at Camp IV below Rakhiot Peak when it was overrun by an avalanche.151970AvalancheHuascarán1970 Huascarán debris avalanche A massive debris avalanche, triggered by an earthquake, killed 30,000 people after it buried a town and ten villages. Among the dead were 15 Czech climbers who were climbing Huascarán at the time of the avalanche.151954AvalancheMount Fuji:ja:富士山大量遭難事故 (1954年) While holding training on snow, mountaineering clubs from several universities were caught in an avalanche.151972AvalancheManasluManaslu avalanche Avalanche buried the camp of a Korean expedition attempting the north-east face.131954StormDachstein MountainsDachstein hiking disaster Group of high school students and 3 teachers died in blizzard while hiking the Dachstein Mountains.131996AvalancheCotopaxiCotopaxi avalanche An avalanche buried the Refuge, a hut at 4,800m, on a busy day. An earthquake a few days prior may have weakened the glacier above the Refuge, contributing to the accident.131963StormMount Yakushi:ja:愛知大学山岳部薬師岳遭難事故 During a winter ascent of the mountain, thirteen members of a university mountaineering club went missing. It is believed the heavy snowfall caused them to get lost, and lack of gear for warmth or navigation caused their deaths.121980RockfallMount Fuji:ja:富士山大規模落石事故 12 died and 29 were injured when avalanche-like rockfall, with 50 to 60 boulders 1-2 meters in diameter, rolled down the Yoshida trail, affecting climbers between the eighth and sixth stations. It is the worst rockfall disaster in Japanese history.121983AvalancheMount Amida:ja:雪崩#雪崩災害の歴史 12 people, including 11 members of a mountaineering club, were caught in an avalanche, and all were killed.122021StormLamkhaga PassLamkhaga Pass Historic storms caused the deaths of at least 12 trekkers.122012AvalancheManasluAvalanche swept through camp.112004AvalancheKhan Tengri,,Serac fell onto a large group of climbers, killing 11 and injuring 14.111998AvalancheNear Les Orres, Hautes AlpesA group of 32 children, aged 13 to 15, two teachers, and four mountaineering guides were caught in an avalanche while snowshoeing during a week long class as part of a school trip. The avalanche risk at the time was rated 4 out of 5, and a trail manager commented that the students had been taken on a slope with a steep incline.112008AvalancheK2,2008 K2 disaster Primarily caused by ice avalanche that occurred at the Bottleneck, destroying climbers' rope lines, leaving them unable to descend.111967LightningMount Nishihotaka, Hida Mountains:ja:西穂高岳落雷遭難事故 While on a high school trip led by a teacher, a severe thunderstorm with hail struck the summit. While the party of 46 was descending, they were directly hit by lightning, killing eleven and injuring nine.111913Hypothermia & StormMount Kisokoma:ja:木曽駒ヶ岳大量遭難事故 A climb led by a school was interrupted by a typhoon. Several died of hypothermia while sheltering in a hut near the summit, and more died in the descent, trying to get to safety.111968StormIztaccihuatl1968 Iztaccihuatl disaster A storm with high winds and snow caught a group of 31 climbers on their way down. 11 of them died from hypothermia or falls.112013Terrorist attackNanga Parbat2013 Nanga Parbat massacre 16 terrorists stormed mountaineering base camp and killed 10 climbers and one guide.112022AvalancheMarmolada2022 Marmolada serac collapse Triggered by serac collapse; ice and rock fell onto popular hiking trail that passed below the summit.111981AvalancheMount RainierSerac fall caused an avalanche/ice fall on the Ingraham Glacier111955Storm & HypothermiaJengish Chokusu, The first summit attempt ended in disaster, with 11 out of 12 expedion member killed in a blizzard. 102026AvalancheBroad Peak2026 Broad Peak avalanche The avalanche occurred at about 6,600 m (21,700 ft) on the slope between Camp 2 and Camp 3, sweeping all 10 climbers down the mountain.101962Storm & HypothermiaAsahi-dakeDuring winter mountaineering training, 11 members of a university club were caught in a snowstorm. All but one perished due to hypothermia.101993AvalancheChimborazoChimborazo avalanche An avalanche buried a group of climbers in a crevasse at 18,700ft, below the Veintimilla summit.101934StormNanga Parbat1934 Nanga Parbat climbing disaster Group of climbers trapped by storm at 7,480m (24,50 ft)91959DisputedDyatlov PassDyatlov Pass Incident A group of 9 hikers perished in the Ural Mountains. Without witnesses, cause of death disputed. Recent investigations in 2019 and 2021 concluded that an avalanche was the most likely cause.91986StormMount Hood1986 Mount Hood disaster Seven students and 2 adults caught in storm during high school trip to climb Mount Hood.92012AvalancheMont Maudit,Maudit avalanche An avalanche caught a large group of climbers, killing nine and injuring an additional nine, during a dawn ascent from Cosmiques Hut.91994AvalancheMont Blanc,Nine climbers killed in ice avalanche on Mont Blanc.91959AvalancheMount Yari:ja:槍ヶ岳#人間史 Members of a university mountaineering club were caught in an avalanche, killing 9.92024StormBetween Lambtal and Sahastra Tal Peak2024 Uttarakhand snowstorm disaster Sudden whiteout stranded mountaineering group on peak without gear for the extreme conditions.92026AvalancheAround Castle Peak and Frog Lake2026 Lake Tahoe avalanche: a group of eleven backcountry skiers and four guides were caught in an avalanche on a backcountry ski trip. Six survivors were able to dig themselves and others out of the avalanche.82008AvalancheMont Blanc du Tacul, Mont Blanc massifEight climbers killed due to serac fall before dawn.81993AvalancheGrandes Jorasses, Mont Blanc Massif,100 meter ice and rock avalanche caught group of eighteen climbers, killing eight.82009Hypothermia & StormMount Tomuraushi:ja:トムラウシ山遭難事故 8 members of 18 person guided tour group died of hypothermia. After cold and fatigue from crossing snowfields in crampons in heavy winds and rain, a river crossing soaked participants, worsening their hypothermia until many succumbed. Notably, participants did have warm enough gear, but were too hypothermic to put it on81940AvalancheMount Petegari:ja:ペテガリ岳#主な事故 Nine members of Hokkaido University Mountaineering Club were caught in an avalanche. Only one survived.81989Storm & HypothermiaMount Tate A blizzard struck during a climb of the three peaks of Tateyama, and when the party, already fatigued, continued on from the first hut, eight members died of hypothermia. Many of the parties’ equipment was inadequate for the variable weather of that time of year, with most having light hiking boots, cotton pants, and vinyl rain gear.81981FallMount Gongga:ja:ミニヤコンカ Eight members of Japanese climbing team fell to their deaths.82017AvalancheChausuyama:ja:那須雪崩事故 7 students and a teacher were killed when an avalanche struck a high school mountaineering club's training class.82019AvalancheNanda DeviNanda Devi#Recent history and conservation A group of eight climbers were killed in an avalanche while attempting to summit a previously unclimbed subpeak of Nanda Devi.81996StormMount Everest,1996 Mount Everest disaster 8 climbers caught in blizzard, including both guided teams on South Col and climbers on the North Face.82003AvalancheRysy2003 Tatra Mountains avalanche Members of high school sports club were swept in avalanche when attempting to climb Rysy in winter.72015AvalancheDôme de Neige des ÉcrinsSeven were killed in late summer avalanche in Écrins National Park.72010AvalancheDiemtig ValleyA group of ski mountaineers trying to rescue skier swept in avalanche were caught in a second avalanche, killing seven.71969AvalancheDhaulagiriSeven members of an American team were killed in an avalanche while attempting the southeast ridge.71967StormDenali1967 Mount McKinley disaster Blizzard killed group of climbers. Later analysis found winds were likely near 480 km/h (300mph), quite possibly the worst conditions experienced by any mountaineers on record.72018StormPigne d'ArollaDrama of the Valais Alps Ski mountaineers descending Pigne d'Arolla in whiteout conditions perished due to hypothermia.71955AvalancheMount TempleSeven youths were killed when avalanche swept down route71959AvalanchePico de OrizabaExpedition of 7 climbers went missing. Bodies were found in 201572013Avalanche Mount MasagoAvalanche on Mount Masago kills seven ski mountaineers.71962StormBjelašnicaA group of 11 young men from Zemun, Serbia and Sarajevo, Bosnia and Herzegovina tried to reach the summit, 7 of them died. 62021AvalancheChimborazoChimborazo#Mountaineering An avalanche swept 16 climbers, killing six, at 6,100m (20,000ft).61930HypothermiaMount Tsurugi:ja:剱沢小屋雪崩事故 Six members of a university mountaineering club were killed when an avalanche enveloped the mountain hut they were staying in. They were attempting a winter climb of the mountain.61934HypothermiaMount Asama:ja:鉄道省山岳部遭難事故 Six members of the Ministry of Railways Mountaineering club were caught in an avalanche while attempting a winter climb of the mountain. It is believed they died during ski descent.61980UndeterminedMount Karamatsu:ja:逗子開成高校八方尾根遭難事故 A high school teacher led five students on a winter climb of the mountain from Happo-one Ridge. The bodies were not located until May the following year. The teacher had almost no winter mountaineering experience, and the group had left their tent and compass behind.62015AvalancheQueyras mountain rangeSix ski mountaineers were killed when an avalanche swept them while tr