Knowledge (XXG)

Aiguille de Bionnassay

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205: 445: 469: 114: 493: 433: 107: 852: 481: 858: 457: 512: 31: 864: 420:, to reach the Bosses ridge and thence to the summit of Mont Blanc. The route has been described as 'a truly magical expedition of ice and snow aretes at great altitude'. The Durier Hut on the Col de Miage can either be reached directly from the village of Tresse via an increasingly broken slope of scree in its upper reaches, or via a traverse from the Conscrits Hut over the Dômes de Miage. 255:. It descends for approximately 4.5 km, flowing north-westwards before turning north at the foot of the Nid d'Aigle to end some distance above the settlement of Bionnassay, continuing as the Torrent de Bionnassay. This hanging glacier on the north-west face of the Aiguille de Bionnassay provides a route of access for mountaineers with ice-climbing skills. 412:: Crossing the mountain as part of a three-day ascent of Mont Blanc involves climbing up the south ridge of the Aiguille de Bionnassay from the Col de Miage, then descending from the summit down its razor-sharp, icy, and often corniced east (frontier) ridge. From there the route climbs again up the west ridge of the 362:, the route is a steep, glaciated face between 40 and 55 degrees. There are numerous small crevasses in its steep slope providing sufficient resting places to reduce the exposure, but it is a long, demanding route of over 1 km, and can be difficult in times of hard ice. Climbers usually start from the 262:
between the south eastern side of the Aiguille de Bionnassay, the Col de Bionnassay and the Calotte des Aiguilles Grises. It descends south-south west for 2.5 km below the Col Infranchissable, then turns south-east to merge with other glaciers, thence continuing as the
236:", and is located on its western side. The mountain's south and east ridges form the frontier between the two countries, and its summit is a knife-edge crest of snow and ice. Reaching it via any route provides a "splendid and serious snow and ice climb". 274:
Miage on the Italian side (see above) – forms from snows collecting between the Aiguille de Tricot and the south-western face of the Aiguille de Bionnassay. The glacier descends in a south-westerly direction for approximately 2.5 km.
388:: Described as "a superb snow crest which is often precarious and delicate due to large cornices", the east ridge descends from the summit as an exposed and delicate knife-edge crest to the col de Bionnassay. It is graded 304:. They ascended the north-west face to reach the ridge above the Aiguille de Tricot, from where they continued to the knife-edged summit ridge, arriving in a thunderstorm. A detailed account is given below. 444: 208:
Ascent of Mont Blanc, showing route from Plan Glacier to Durier Hut, over Aiguille de Bionnassay, Dome du Gouter, Bosses ridge to Mont Blanc summit. Return route via Le Goûter is shown in blue.
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The north face was first climbed on 30–31 August 1953 by Bertrand Kempf and Claude Laurendeau. It is ranked as one of the most difficult ice walls in the Alps, and is rarely attempted.
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The Glacier de Bionnassay is the most obvious glacial feature, arising on the north and north-west slopes of the Aiguille de Bionnassay as well as from the western side of the
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Three significant glaciers originate on the slopes of the mountain: The Glacier de Bionnassay, the Glacier de Bionnassay Italien, and the Glacier de Miage.
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The first winter ascent of the Aiguille de Bionnassay was made on 20 March 1929 by A. Charlet, F. Frison Roche, H. Hoerlin, E.Schneider and H. Schroeder.
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The mountain's south ridge was first climbed on 13 July 1888 by Kaspar Maurer, Andreas Jaun and the Austrian diplomat Georg Gruber.
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with rock pitches of II, often iced. A final steep snow ridge leads to the narrow and exposed summit on the French/Italian border.
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The complete north-west face route was finally climbed in 1926 by billionaire businessman and art collector,
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A Traverse of the Dent Blanche and the First Direct Ascent of the Aiguille de Bionnassay by the North Face
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The long west ridge was first climbed in its entirety from the Col de Tricot in 1911 by Fraulein
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The southern Italian side of the Aiguille de Bionnassay, with Aiguille Grises ridge in front
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Video: Traverse of Aiguille de Bionnassay to Mont Blanc with views of the sharp east ridge.
1596: 1451: 1426: 1406: 1386: 1236: 1221: 1198: 1090: 1065: 915: 719: 1035: 402:: A long 3.4 km ascent from the Col du Tricot over the Aigulle du Tricot, graded at 851: 511: 1726: 1696: 1616: 1606: 1601: 1586: 1576: 1456: 1421: 1401: 1391: 1369: 1246: 995: 413: 162: 143: 30: 450:
SE side of mountain with Glacier de Bionnassay Italien, S ridge and Aiguille de Tricot
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The first ascent of the Aiguille de Bionnassay was undertaken on 28 July 1865 by
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Summit, east ridge and glaciated north-west face of the Aiguille de Bionnassay
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and Freulein H. Wirthl with M. Helff, K.G. von Saar and Richard Weitzenbock.
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The east ridge was first climbed in descent as part of a traverse from the
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The Glacier de Miage – not to be confused with the much larger Glacier
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North side of Aiguille de Bionnassay, seen from the Tête Rousse Hut
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and can be reached from a traverse of the Bionnassay, or from the
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Old moraines at the foot of Glacier du Miage on the Italian side
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Video: Extreme ski-descent of N face of Aiguille de Bionnassay.
216:(elevation 4,052 metres (13,294 ft)) is a mountain in the 194:
and Reginald S. McDonald, with guides Jean Pierre Cachat and
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Cornice on the E ridge of the Aiguille de Bionnassay
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McDonald, with guides 547: 545: 543: 541: 7: 735:Entry on Die Viertausender der Alpen 526:List of 4000 metre peaks of the Alps 372:: An ascent from the Col de Miage ( 1758:Giardino Botanico Alpino Saussurea 14: 16:Mountain in the Mont Blanc massif 1788:Saint-Gervais–Vallorcine railway 862: 856: 850: 553:"Cartes IGN (French map portal)" 510: 491: 479: 467: 455: 443: 431: 112: 105: 29: 631:The High Mountains of the Alps 1: 1823:Vallée Blanche Aerial Tramway 1061:Grande Pointe des Planereuses 896:Aiguille Blanche de Peuterey 669:Lloyd, Robert Wylie (1927). 1753:Chemin de fer du Montenvers 936:Aiguille des Grands Montets 931:Aiguille des Grands Charmoz 1875: 961:Aiguille Noire de Peuterey 596:Mont Blanc Massif Volume 1 1854:Mountains of Haute-Savoie 848: 686:Goedeke, Richard (1990). 594:Griffin, Lindsay (1990). 99: 28: 1773:Mont Blanc glacier flood 1374:(first or major ascents) 1081:Mont Blanc de Courmayeur 1011:Le Châtelet (Mont Blanc) 51:164 m (538 ft) 1844:Alpine four-thousanders 986:Aiguille de Tré la Tête 837:Saint-Gervais-les-Bains 730:Entry on UkClimbing.com 725:Entry on CampToCamp.org 720:Entry on SummitPost.org 650:. 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(north-west face). 79:45.83583°N 6.81806°E 1793:Skyway Monte Bianco 1086:Mont Blanc du Tacul 991:Aiguille de Triolet 966:Aiguille du Pissoir 906:Aiguilles du Diable 326:on 13 August 1888. 75: /  1803:Tour du Mont Blanc 1778:Mont Blanc tramway 1325:Plan de l'Aiguille 1116:Picco Luigi Amedeo 946:Aiguille du Jardin 941:Aiguille du Grépon 926:Aiguille du Goûter 338:Robert Wylie Lloyd 324:Jean-Baptiste Bich 298:Jean Pierre Cachat 253:Aiguille du Goûter 210: 41:Highest point 1859:Mont Blanc massif 1831: 1830: 1783:Mont Blanc Tunnel 1305:Francesco Gonella 1136:Pointe des Plines 1126:Pointe Helbronner 1121:Pointe Allobrogia 1026:Dôme de Rochefort 781:Mont Blanc massif 218:Mont Blanc massif 202: 201: 170:Mont Blanc massif 84:45.83583; 6.81806 1866: 1194:Petit Col Ferret 1071:Grandes Jorasses 981:Aiguille du Tour 971:Aiguille du Plan 951:Aiguille du Midi 911:Aiguilles Dorées 866: 860: 854: 774: 767: 760: 751: 702: 701: 683: 677: 676: 666: 660: 659: 657: 655: 640: 634: 627: 610: 609: 591: 568: 567: 565: 563: 549: 520: 515: 514: 495: 483: 471: 459: 447: 435: 294:Edward N. 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Index


Prominence
Coordinates
45°50′09″N 06°49′05″E / 45.83583°N 6.81806°E / 45.83583; 6.81806
Aiguille de Bionnassay is located in France
Haute-Savoie
Rhône-Alpes
France
Aosta Valley
Italy
Parent range
Mont Blanc massif
First ascent
Edward N. Buxton
Florence Crauford Grove
Michel Payot

Mont Blanc massif
Alps
France
Italy
Mont Blanc
Dôme du Goûter
Aiguille du Goûter
cirque
Glacier du Miage (Ghiacciaio del Miage)
Florence Crauford Grove
Edward N. Buxton
Jean Pierre Cachat
Michel Payot

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