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| Aiguille du Dru | |
|---|---|
| Name | Aiguille du Dru |
| Photo caption | South face of the Aiguille du Dru from the Chamonix valley |
| Elevation m | 3754 |
| Range | Mont Blanc Massif |
| Location | Haute-Savoie, France |
| Coordinates | 45°55′32″N 6°52′34″E |
| First ascent | 1878 (West summit) Émile Rey, Christian Almer, and others |
Aiguille du Dru The Aiguille du Dru is a prominent granite peak in the Mont Blanc Massif near Chamonix in the French Alps. The twin summits, the Grande Aiguille du Dru and the Petite Aiguille du Dru, rise above the Mer de Glace and the Valley of Chamonix, presenting steep rock faces that have made the mountain a classic objective for alpine climbers, mountaineering pioneers, and rock climbers. The Dru has figured in the development of alpinism in the 19th and 20th centuries and continues to attract international attention from climbers, geologists, and conservationists.
The Dru lies within the administrative boundaries of Haute-Savoie and the historical region of Savoy, forming part of the crystalline core of the Mont Blanc crystalline massif alongside peaks such as Aiguille Verte, Dôme du Goûter, and Mont Maudit. Geologically, the Dru consists chiefly of coarse-grained granite from the Hercynian orogeny, intruded and uplifted during Alpine orogeny associated with the collision of the Eurasian Plate and the African Plate. Its steep west and south faces overlook glacial features including the Mer de Glace and the Leschaux Glacier, and it contributes to local microclimates that influence the Vallée Blanche and the Arve River catchment. The mountain's lithology has been studied alongside nearby formations such as the Aiguilles Rouges and the Mont Blanc granite pluton by teams from institutions including the CNRS and universities in Grenoble and Geneva.
Climbing on the Dru played a significant role in the golden age of alpinism, intersecting with figures such as Émile Rey, Christian Almer, Horace-Bénédict de Saussure's legacy, and later climbers like Georges Livanos and Walter Bonatti. The first ascents of the west and east summits were milestones recorded in periodicals such as Alpine Journal and La Montagne. The mountain became a proving ground for techniques developed in Chamonix and among guides from Saas-Fee and Zermatt. In the 20th century, notable periods included the interwar pioneering of hard rock routes by climbers associated with the British Alpine Club and the postwar era of sport climbing advances by figures connected with UIAA competitions and the rise of French Federation of Mountaineering guidance. The Dru has hosted expeditions from nations such as Italy, United Kingdom, Germany, United States, Austria, and Japan, and features in the biographies of climbers documented by publishers like Rockfax and Clouds Blue.
Famous lines on the Dru include the north face variations and the classic west face routes established during the 1930s–1970s, with contributions from climbers such as Maurice Herzog, Lionel Terray, Louis Lachenal, Gaston Rebuffat, and Lino Lacedelli. The Grand Capucin nearby served as a training ground for similar big wall techniques. Free-climbing milestones on granite faces were achieved by alpinists linked to Yvon Chouinard-era approaches and later by athletes connected with European Cup competitions. Winter ascents and enchainments involving adjacent objectives like Aiguille du Midi and Les Courtes have been attempted by teams from Patrouille des Glaciers and members of the French National Alpine Team. Notable modern ascents have been recorded by climbers associated with brands and clubs such as Petzl, La Sportiva, Club Alpin Français, and Section de Montagne units of alpine organizations.
The Dru's steep granite faces have been subject to substantial rockfall events, notably large collapses in the late 20th and early 21st centuries that altered classic lines and forced re-evaluation of safety on routes documented in guidebooks like those from Alan Rousseau and publishers such as Michelin and Lonely Planet travel sections. Geomorphological monitoring has engaged researchers from Université Grenoble Alpes, CEA, and international partners from ETH Zurich and Imperial College London to study mass wasting, freeze-thaw cycles, and permafrost degradation linked to climate change documented by IPCC assessments. Conservation efforts involve stakeholders including the Parc national du Mercantour model, local authorities in Chamonix-Mont-Blanc, the Haute-Savoie departmental council, and NGOs such as Mountain Wilderness and Greenpeace campaigns focused on alpine preservation. Management of access, route maintenance, and risk communication is coordinated with alpine guides certified by Compagnie des Guides de Chamonix and rescue services including PGHM and Sécurité Civile units.
Primary approaches to the Dru begin in Chamonix and from huts such as the Refuge des Grands Mulets, Refuge d'Argentière, and Refuge du Couvercle, with access via lift systems including the Aiguille du Midi cable car and valley transport like the Montenvers Railway. Classic basepoints involve the Mer de Glace glacier routes and couloirs descending toward the Vallée Blanche, with approaches using paths maintained by the Office de Tourisme de Chamonix and local refuges operated by organizations like the Fédération Française des Clubs Alpins et de Montagne. Technical approaches require glacier travel skills taught at institutions such as the École Nationale de Ski et d'Alpinisme and gear available from retailers connected with Patagonia and The North Face sponsorship programs in the region.
The Dru has been featured in alpine literature, mountaineering memoirs, and documentary films alongside peaks such as Mont Blanc and Matterhorn, cited in works by authors like Neal Bascomb, W. H. Murray, and John Harlin III. Photographers from agencies including Magnum Photos and publications such as National Geographic and Vogue have captured its silhouette above Chamonix landscapes. The mountain appears in cultural events and festivals organized by institutions like the CERN community outreach in nearby Geneva and regional celebrations promoted by Auvergne-Rhône-Alpes authorities. Its image has been used in branding by alpine equipment companies such as Edelrid, Grivel, and Mammut, and it figures in cinematic sequences about mountaineering produced by studios including Patagonia Films and independent producers showcased at the Banff Mountain Film Festival and the International Climbing Film Festival.
Category:Mountains of the Alps Category:Mont Blanc massif Category:Mountains of Haute-Savoie