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46-746: Hauteville may refer to: Places in France [ edit ] Hauteville, a former commune in the Ain département , part of Hauteville-Lompnes Hauteville, Aisne , in the Aisne département Hauteville, Ardennes , in the Ardennes département Hauteville, Marne , in the Marne département Hauteville, Pas-de-Calais , in the Pas-de-Calais département Hauteville, Savoie , in

92-676: A baronial family of Normandy See also [ edit ] Hautteville-Bocage , in the Manche département Altavilla (disambiguation) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Hauteville . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Hauteville&oldid=754961947 " Categories : Disambiguation pages Place name disambiguation pages Hidden categories: Short description

138-457: A considerable proportion is permanently glaciated or snow-covered and is exposed to extremely cold conditions. There is, however, significant variation in precipitation with altitude. For example, the village of Chamonix below Mont Blanc is at an elevation of approximately 1,030 m (3,380 ft). It receives around 1,020 mm (40 in) of annual precipitation, whilst the Col du Midi, which

184-462: A guide (or at least an experienced mountaineer), and all require proper equipment. All routes are long and arduous, involving delicate passages and the hazard of rockfall or avalanche. Climbers may also suffer altitude sickness , occasionally life-threatening, particularly if they are not properly acclimatised . A 1994 estimate suggests there had been 6,000 to 8,000 alpinist fatalities in total, more than on any other mountain. These numbers exclude

230-592: A large intrusion of granite (termed a batholith ) which was forced up through a basement layer of gneiss and mica schists during the Variscan mountain-forming event of the late Palaeozoic period. The summit of Mont Blanc is located at the point of contact of these two rock types. To the southwest, the granite contact is of a more intrusive nature, whereas to the northeast it changes to being more tectonic . The granites are mostly very-coarse grained, ranging in type from microgranites to porphyroid granites. The massif

276-592: A second interpretation places both summits, as well as that of Mont Blanc de Courmayeur (although much less clearly in the latter case), solely within France. NATO maps take data from the Italian national mapping agency, the Istituto Geografico Militare , which is based upon past treaties in force. In 1890, Pierre Janssen , an astronomer and the director of the Meudon astrophysical observatory, considered

322-636: Is a stub . You can help Misplaced Pages by expanding it . Mont Blanc Mont Blanc ( BrE : / ˌ m ɒ̃ ˈ b l ɒ̃ ( k )/ ; AmE : / ˌ m ɒ n ( t ) ˈ b l ɑː ŋ k / ) is the highest mountain in the Alps and Western Europe , and the highest mountain in Europe outside the Caucasus Mountains , rising 4,805.59 m (15,766 ft) above sea level, located on the Franco-Italian border . It

368-624: Is approximately 65 hectares (160 acres) on Mont Blanc and ten hectares (25 acres) on Dôme du Goûter. In 1723, the Duke of Savoy, Victor Amadeus II , acquired the Kingdom of Sardinia . The resulting state of Sardinia was to become preeminent in the Italian unification . Citing the Treaty of Paris (1796), France claims that the historical border of Savoy and Piedmont diverged from the watershed line, fully encompassing

414-418: Is at 3,500 m (11,500 ft) above sea level, receives significantly more, totalling 3,100 mm (122 in). However, at an even higher altitude (near the summit of Mont Blanc), precipitation is considerably less, with only around 1,100 mm (43 in) recorded, despite the latter measurements being taken at the height of 4,300 m (14,100 ft). The Mont Blanc was the highest mountain of

460-470: Is being put forward as a potential World Heritage Site because of its uniqueness and cultural importance considered the birthplace and symbol of modern mountaineering. It would require the three governments of Italy, France and Switzerland to request UNESCO for it to be listed. Mont Blanc is one of the most visited tourist destinations in the world. For this reason, some view it as threatened. Pro-Mont Blanc (an international collective of associations for

506-411: Is different from Wikidata All article disambiguation pages All disambiguation pages Hauteville-Lompnes The commune was formed in 1942 by the union of Hauteville and Lompnes. In 1964 it absorbed the neighbouring communes of Lacoux and Longecombe. The Sanatorium Félix Mangini was established in 1899 bycFrédéric Dumarest., a former student of Carlo Forlanini . It was dedicated to

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552-454: Is greatly influenced by altitude. Being the highest part of the Alps, Mont Blanc and surrounding mountains can create their own weather patterns. Temperatures drop as the mountains gain in height, and the summit of Mont Blanc is a permanent ice cap, with temperatures around −20 °C (−4 °F). The summit is also prone to strong winds and sudden weather changes. Because of its great overall height,

598-549: Is the second-most prominent mountain in Europe, after Mount Elbrus , and the 11th most prominent mountain in the world. It gives its name to the Mont Blanc massif , which straddles parts of France, Italy and Switzerland. Mont Blanc's summit lies on the watershed line between the valleys of Ferret and Veny in Italy , and the valleys of Montjoie, and Arve in France . Ownership of

644-465: Is tilted in a north-westerly direction and was cut by near-vertical recurrent faults lying in a north–south direction during the Variscan orogeny. Further faulting with shear zones subsequently occurred during the later Alpine orogeny . Repeated tectonic phases have caused breakup of the rock in multiple directions and in overlapping planes. Finally, past and current glaciation caused significant sculpting of

690-533: The 2003 heatwave in Europe , a team of scientists remeasured the height on 6 and 7 September. The team was made up of the glaciologist Luc Moreau, two surveyors from the GPS Company, three people from the IGN , seven expert surveyors, four mountain guides from Chamonix and Saint-Gervais and four students from various institutes in France. This team noted that the elevation was 4,808.45 m (15,775 ft 9 in), and

736-677: The Frankish Empire under Charlemagne and the highest mountain of the Holy Roman Empire until 1792. In 1760, Swiss naturalist Horace-Bénédict de Saussure began to go to Chamonix to observe Mont Blanc. He tried to summit it with the Courmayeur mountain guide Jean-Laurent Jordaney, a native of Pré-Saint-Didier , who accompanied De Saussure since 1774 on the Miage Glacier and Mont Crammont. The first recorded ascent of Mont Blanc (at

782-623: The Savoyard state . The 1860 act is still legally valid for both the French and Italian governments. Italy claims, that the border was moved by France in 1865, when surveys carried out by a cartographer of the French army, Captain JJ Mieulet, incorporated the summit into French territory, making the state border deviate from the watershed line, and giving rise to the differences with the maps published in Italy in

828-486: The landscape into its present-day form. The first systematic account of the minerals of the Mont Blanc area was published in 1873 by Venance Payot . His list, entitled "Statistique minéralogique des environs du Mt-Blanc", catalogued 90 mineral types although it also included those present only as very small components of rocks. If these are excluded, it is known today that at least 68 separate mineral species occur across

874-431: The "father" of India's nuclear programme. In 1946, a drilling project was initiated to carve a tunnel through the mountain. The Mont Blanc tunnel would connect Chamonix , France, and Courmayeur , Italy, and become one of the major transalpine transport routes between the two countries. In 1965, the tunnel opened to vehicle traffic with a length of 11,611 metres (7.215 mi). In 1999, a transport truck caught fire in

920-624: The Alps, including those on Mont Blanc. For example, in 2015, the Grand Mulets route, previously popular in the 20th century, was blocked by virtually impenetrable crevasse fields, and the Gouter Hut was closed by municipal decree for some days because of a very high rockfall danger, with some stranded climbers evacuated by helicopter. In 2016 a crevasse opened at high altitude, also indicating previously unobserved glacial movements. The new crevasse forms an obstacle to be scaled by climbing parties on

966-455: The Eiffel project was abandoned. Despite this, the observatory was built in 1893. During the cold wave of January 1893, a temperature of −43 °C (−45 °F) was recorded on Mont Blanc, being the lowest ever recorded there. Levers attached to the ice supported the observatory. This worked to some extent until 1906, when the building started leaning heavily. The movement of the levers corrected

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1012-642: The Savoie département Hauteville-la-Guichard , in the Manche département Hauteville-lès-Dijon , in the Côte-d'Or département Hauteville-Lompnes , in the Ain département Hauteville-sur-Fier , in the Haute-Savoie département Hauteville-sur-Mer , in the Manche département Other [ edit ] Hauteville, Switzerland , a municipality in the Canton of Fribourg, Switzerland Hauteville family ,

1058-472: The altitude. From l' Aiguille du Midi (where the cable car stops), Mont Blanc seems quite close, being 1,000 m (3,300 ft) higher. But while the peak looks deceptively close, the La Voie des 3 Monts route (known to be more technical and challenging than other more commonly used routes) requires more ascent over two other 4,000 m (13,000 ft) mountains, Mont Blanc du Tacul and Mont Maudit , before

1104-604: The annexation of Savoy (following the French neutrality for the plebiscites held in Tuscany, Modena, Parma and Romagna to join the Kingdom of Sardinia, against the Pope's will). A demarcation agreement, signed on 7 March 1861, defined the new border. With the formation of Italy, for the first time, Mont Blanc was located on the border of France and Italy, along the old border between the department of Savoy and that of Piedmont, formerly belonging to

1150-645: The care of tuberculosis patients. The river Albarine flows southwestward through the commune's northern part. Hauteville-Lompnes is famous for its deposits of marble which has been used in the construction of many monumental buildings, among them the Empire State Building in New York City and the Kōkyo Imperial Palace in Tokyo . A notable feature is the castle d'Angeville, a family possession of

1196-450: The construction of an observatory at the summit of Mont Blanc. Gustave Eiffel agreed to take on the project, provided he could build on a rock foundation if found at a depth of less than twelve metres (39 ft) below the ice. In 1891, the Swiss surveyor Imfeld dug two 23-metre (75 ft) horizontal tunnels twelve metres (39 ft) below the ice summit but found nothing solid. Consequently,

1242-457: The disaster. The summit of Mont Blanc is a thick, perennial ice-and-snow dome whose thickness varies. Therefore, no exact and permanent summit elevation can be determined, though accurate measurements have been made on specific dates. Its official elevation was 4,807 m (15,771 ft) for a long time. In 2002, the IGN and expert surveyors, with the aid of GPS technology, measured it to be 4,807.40 m (15,772 ft 4 in). After

1288-552: The especially risky " Goûter couloir , on the normal route on Mont Blanc" and necessary rescue operations found that, between 1990 and 2011, there were 74 deaths "between the Tête Rousse refuge (3,187 m) and the Goûter refuge (3,830 m)". There were 17 more in 2012–15, none in 2016, and 11 in 2017. The recent temperature rises and heatwaves, such as those of the summers of 2015 and 2018, have significantly impacted many climbing routes across

1334-532: The family of that name since 1657. A scion of that family was Henriette d'Angeville , the second woman to climb Mont Blanc , for whom a street in Hauteville is named; her brother, the count d'Angeville, lived in the castle in the mid-nineteenth century. Today the town is more oriented towards tourism, with cross country and downhill skiing in the winter and range of summertime activities, including walking, hiking and fishing. This Ain geographical article

1380-459: The fatalities of Air India Flight 245 and Air India Flight 101 , two planes that crashed into Mont Blanc. Despite unsubstantiated claims recurring in media that "some estimates put the fatality rate at an average of 100 hikers a year", actual reported annual numbers at least since the 1990s are between 10 and 20: in 2017, fourteen people died out of 20,000 summit attempts, and two remained missing; with 15 in 2018 as of August. A French study on

1426-813: The final part of the itinerary to the top shared by the popular Goûter Route and the Grand Mulets Route. In July 2014, an American entrepreneur and traveller Patrick Sweeney attempted to break the record with his nine-year-old son and 11-year-old daughter. They were caught in an avalanche , escaped death and decided not to pursue their attempt. In August 2014, an unknown Austrian climber with his 5-year-old son were intercepted by mountain gendarmes at 3,200 m (10,500 ft) and forced to turn back. On 5 August 2017, 9-year-old Hungarian twins and their mother were rescued from 3,800 m (12,500 ft) by helicopter while their father and family friend continued their summit attempt. The Mont Blanc massif

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1472-425: The final section of the climb is reached. The last 1,000 m (3,300 ft) push to the summit is undertaken. Each year climbing deaths occur on Mont Blanc. On the busiest weekends, normally around August, the local rescue service performs an average of 12 missions, mostly directed to aid people in trouble on one of the normal routes of the mountain. Some routes require knowledge of high-altitude mountaineering and

1518-563: The lean slightly, but three years later (two years after Janssen's death), a crevasse started opening under the observatory. It was abandoned. Eventually the building fell, and only the tower could be saved in extremis . The mountain was the scene of two fatal air crashes; Air India Flight 245 in 1950 and Air India Flight 101 in 1966. Both planes were approaching Geneva Airport and the pilots miscalculated their descent; 48 and 117 people, respectively, died. The passengers on flight 101 included nuclear scientist Homi J. Bhabha , known as

1564-588: The main Alpine watershed, from the Aiguille des Glaciers to Mont Dolent , where it reaches the border with Switzerland. However, its precise location near the summits of Mont Blanc and nearby Dôme du Goûter is disputed. Italian officials claim the border follows the watershed, splitting both summits between Italy and France. In contrast, French officials claim the border avoids the two summits, placing them entirely with France. The size of these two (distinct) disputed areas

1610-443: The peak had shifted to a point 75 cm (30 in) away from where it had been in 2002. After these results were published, more than 500 points were measured to assess the effects of climate change and the mountain's height fluctuations at different points. Since then, the mountain's elevation has been measured every two years. The summit was measured again in 2005, and the results were published on 16 December 2005. The height

1656-423: The protection of Mont Blanc) published in 2002 the book Le versant noir du mont Blanc (The black hillside of Mont Blanc), which exposes current and future problems in conserving the site. In 2007, Europe's two highest toilets (at 4,260 metres, 13,976 feet) were taken by helicopter to the top of Mont Blanc. They are also serviced by helicopter. They will serve 30,000 skiers and hikers annually, helping to alleviate

1702-627: The same period. Modern Swiss mapping, published by the Federal Office of Topography , plots a region of disputed territory (statut de territoire contesté) around the summits of both Mont Blanc and the Dôme du Goûter. One of its interpretations of the French-Italian border places both summits straddling a line running directly along the geographic ridgeline (watershed) between France and Italy, thus sharing their summits equally between both states. However,

1748-405: The security bays now have live video contact to communicate with the control centre. A remote site for cargo safety inspection was created on each side: Aosta in Italy and Passy-Le Fayet in France. Here all trucks are inspected before entering the tunnel. These remote sites are also used as staging areas to control commercial traffic during peak hours. The renovated tunnel reopened three years after

1794-691: The summit area has long been disputed between France and Italy. The Mont Blanc massif is popular for outdoor activities like hiking , climbing , trail running and winter sports like skiing , and snowboarding . The most popular climbing route to the summit of Mont Blanc is the Goûter Route , which typically takes two days. The three towns and their communes which surround Mont Blanc are Courmayeur in Aosta Valley , Italy; and Saint-Gervais-les-Bains and Chamonix in Haute-Savoie , France. The latter town

1840-657: The summit of Mont Blanc on a clear day, the Jura , the Vosges , the Black Forest , and the Massif Central mountain ranges can be seen, as well as the principal summits of the Alps. Several classic climbing routes lead to the summit of Mont Blanc: Nowadays, the summit is ascended by an average of 20,000 mountaineer tourists each year. It could be considered a technically easy yet arduous ascent for someone well-trained and acclimatised to

1886-797: The summit of Mont Blanc within Savoy and consequently, within French territory. After the Napoleonic Wars, the Congress of Vienna restored the King of Sardinia in Savoy, Nice, and Piedmont, his traditional territories, overruling the 1796 Treaty of Paris. Forty-five years later, after the Second Italian War of Independence , it was replaced by a new legal act. This act was signed in Turin on 24 March 1860 by Napoleon III and Victor Emmanuel II of Savoy , and deals with

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1932-429: The time neither within Italy nor France) was on 8 August 1786 by Jacques Balmat and the doctor Michel Paccard . This climb, initiated by Horace-Bénédict de Saussure , who rewarded the successful ascent, traditionally marks the start of modern mountaineering. The first woman to reach the summit was Marie Paradis in 1808. At the scale of the Mont Blanc massif , the border between Italy and France passes along most of

1978-401: The tunnel beneath the mountain. In total, 39 people were killed when the fire raged out of control. The tunnel was renovated in the aftermath to increase driver safety. Renovations include computerised detection equipment, extra security bays, a parallel escape shaft, and a fire station in the middle of the tunnel. The escape shafts also have clean air flowing through them via vents. Any people in

2024-637: The wider range of the Mont Blanc massif. Located on the watershed between the Rhône and the Po , the massif of Mont Blanc is also situated between the two different climatic regions of the northern and western Alps and that of the southern Alps. Climatic conditions on the Mer de Glace are similar to those found on the northern side of the Swiss Alps . The climate is cold and temperate ( Köppen climate classification Cfb ), and

2070-497: Was found to be 4,808.75 m (15,776 ft 9 in), 30 cm (12 in) more than the previously recorded height. The rock summit was found to be at 4,792 m (15,722 ft), some 40 m (130 ft) west of the ice-covered summit. In 2007, the summit was measured at 4,807.9 m (15,774 ft) and in 2009 at 4,807.45 m (15,772 ft). In 2013, the summit was measured at 4,810.02 m (15,781 ft) and in 2015 at 4,808.73 m (15,777 ft). From

2116-452: Was the site of the first Winter Olympics . A cable car ascends and crosses the mountain range from Courmayeur to Chamonix through the Col du Géant . The 11.6 km ( 7 + 1 ⁄ 4  mi) Mont Blanc Tunnel , constructed between 1957 and 1965, runs beneath the mountain and is a major transalpine transport route. Mont Blanc and adjacent mountains in the massif are predominately formed from

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