Mont Cenis (; , ) is a

massif A massif () is a principal mountain mass, such as a compact portion of a mountain range, containing one or more summits (e.g. France's Massif Central). In mountaineering literature, ''massif'' is frequently used to denote the main mass of an ...

Savoie Savoie (; Arpitan: ''Savouè'' or ''Savouè-d'Avâl''; English: ''Savoy'' ) is a department in the Auvergne-Rhône-Alpes region, Southeastern France. Located in the French Alps, its prefecture is Chambéry. In 2019, Savoie had a population o ...

(

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

) (with an elevation of at Pointe de Ronce and a pass at an elevation of ), which forms the limit between the Cottian and

Graian Alps The Graian Alps (Latin language, Latin:: ''Alpes Graiæ'' ; ; ) are a mountain range in the western part of the Alps, and the name of an Roman province, Antic Rome province. Etymology The name ''Graie'' comes from the ''Graioceli'' Celts, Celt ...

Etymology

The term "Mont Cenis" could be derived from ''mont des cendres'' ("mountain of ashes"). According to tradition, following a forest fire, a great quantity of ashes accumulated on the ground, thus the name. The path of ashes was found during the building work of the route.

Geography

The pass connects Val-Cenis in France in the northwest with the

Susa Susa ( ) was an ancient city in the lower Zagros Mountains about east of the Tigris, between the Karkheh River, Karkheh and Dez River, Dez Rivers in Iran. One of the most important cities of the Ancient Near East, Susa served as the capital o ...

Valley in

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

in the southeast. Thence, the Susa Valley - the valley of the

Dora Riparia The Dora Riparia (; ; or ''Doire''; ) is an alpine river, a left-bank tributary of the Po. It is long (of which 5 km is in France), with a drainage basin. It originates in the Cottian Alps, close to the Col de Montgenèvre in France, wh ...

- is followed to

Turin Turin ( , ; ; , then ) is a city and an important business and cultural centre in northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital from 1861 to 1865. The city is main ...

(103.8 km / 64.5 mi from Modane). The carriage road mounts the Arc valley for 25.7 km / 16 mi from Modane to Lanslebourg, whence it is 12.9 km / 8 mi to the hospice, a little way beyond the summit of the pass. The descent lies through the Cenis Valley to

(49.9 km / 37 mi from Modane) where the road joins the railway. To the southwest of the Mont Cenis is the Little Mont Cenis (2184.2 m / 7166 ft), which leads from the summit plateau (in Italy) of the main pass to the Etache valley on the French slope and so to

Bramans Bramans is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2017, it was merged into the new commune Val-Cenis.Fréjus Rail Tunnel. This (highest point 1295 m / 4249 ft) is really 27.4 km 17 miles southwest of the pass, below the Col du Fréjus. From

Chambéry Chambéry (, , ; Franco-Provençal, Arpitan: ''Chambèri'') is the Prefectures in France, prefecture and List of communes in France with over 20,000 inhabitants, largest city of the Savoie Departments of France, department in the southeastern ...

the line runs up the

Isère Isère ( , ; ; , ) is a landlocked Departments of France, department in the southeastern French Regions of France, region of Auvergne-Rhône-Alpes. Named after the river Isère (river), Isère, it had a population of 1,271,166 in 2019.

valley, but soon bears through that of the Arc or the

Maurienne Maurienne (; ; ) is one of the provinces of Savoy, corresponding to the arrondissement of Saint-Jean-de-Maurienne in France. It is also the original name of the capital of the province, now Saint-Jean-de-Maurienne. Location The Maurienne val ...

past

Saint-Jean-de-Maurienne Saint-Jean-de-Maurienne (; or ''Sant-Jian-de-Môrièna''; ) is a Subprefectures in France, subprefecture of the Savoie Departments of France, department, in the regions of France, region of Auvergne-Rhône-Alpes (formerly Rhône-Alpes), in south ...

Modane Modane (; ) is a Communes of France, commune in the Savoie Departments of France, department in the Auvergne-Rhône-Alpes Regions of France, region in southeastern France. The commune is in the Maurienne Valley, and it also belongs to the Vanoise ...

(98.2 km / 61 mi from Chambéry). The tunnel is 13 km in length, and leads to

Bardonecchia Bardonecchia (; ; , ) is an Italian town and ''comune'' located in the Metropolitan City of Turin, in the Piedmont region, in the western part of Susa Valley. It grew out of a small village with the works for the Fréjus Rail Tunnel, the first c ...

, some way below which, at Oulx the line joins the road from the Col de Montgenèvre.

History

In the Middle Ages, pilgrims passing through Moncenisio and

Susa Valley The Susa Valley (; ; ; ; ) is a valley in the Metropolitan City of Turin, Piedmont region of northern Italy, located between the Graian Alps in the north and the Cottian Alps in the south. It is one of the longest valleys of the Italian Alps. ...

came to

along a road called the

Via Francigena The Via Francigena (), also known as Francisca or Romea, is an ancient road and Christian pilgrimage, pilgrimage route running from the City status in the United Kingdom#Cathedral towns, cathedral city of Canterbury in England, through France and ...

, with a final destination of Rome. In 1414, Niccolò III d'Este, Marquis of Ferrara travelled on this route returning from Paris having met Charles VI, and described the Col du Mont Cenis as having "a good ascent and bad descent". This pass was crossed in 1689 by the Vaudois, and is believed by some authors to have been the pass used by Hannibal to cross the Alps. As an Alpine pass, Mont Cenis featured in several historical incidents. One example is the descent of

Constantine I Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

to Italy, to fight against

Maxentius Marcus Aurelius Valerius Maxentius ( 283 – 28 October 312) was a Roman emperor from 306 until his death in 312. Despite ruling in Italy and North Africa, and having the recognition of the Senate in Rome, he was not recognized as a legitimate ...

. It was the site of a military victory by the French

Army of the Alps The Army of the Alps (''Armée des Alpes'') was one of the French Revolutionary armies. It existed from 1792–1797 and from July to August 1799, and the name was also used on and off until 1939 for France's army on its border with Italy. 1792� ...

, led by General-in-Chief Alex Dumas over

Piedmontese Piedmontese ( ; autonym: or ; ) is a language spoken by some 2,000,000 people mostly in Piedmont, a region of Northwest Italy. Although considered by most linguists a separate language, in Italy it is often mistakenly regarded as an Italian ...

forces in April 1794, a victory that enabled the French Army of Italy to invade and conquer the Italian peninsula. It was the principal route for crossing the Alps between France and Italy until the 19th century. It was also used as the main passage by which

Charlemagne Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...

crossed with his army to invade

Lombardy The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...

in 773, and later by Napoleon I. Mont Cenis was one of the most used Alpine passes from the Middle Ages to the nineteenth century. The pass was part of the border between the two countries from the annexation of Savoy to the Second French Empire in 1861 until the 1947 Treaty of Paris, but is now located completely in France. The treaty allowed

Savoy Savoy (; )  is a cultural-historical region in the Western Alps. Situated on the cultural boundary between Occitania and Piedmont, the area extends from Lake Geneva in the north to the Dauphiné in the south and west and to the Aosta Vall ...

to retrieve its historical and political boundaries. It has historically been part of Route nationale 6. A road over the pass was built between 1802 and 1805 by

Napoleon Napoleon Bonaparte (born Napoleone di Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French general and statesman who rose to prominence during the French Revolution and led Military career ...

to improve military connections. By 1810, it was the most travelled road between France and Italy, as

Strasbourg Strasbourg ( , ; ; ) is the Prefectures in France, prefecture and largest city of the Grand Est Regions of France, region of Geography of France, eastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin Departmen ...

was closed to silk trade traffic from

Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

, leading to

Lyon Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...

becoming a major trade centre instead. The Mont Cenis Pass Railway was opened alongside the road in 1868, but was dismantled in 1871, on the opening of the Fréjus Rail Tunnel. It was the first ever railway based on the Fell mountain railway system and was worked by English engine-drivers. The Fréjus Rail Tunnel acquired the alternative, and geographically incorrect, name of Mont Cenis Tunnel because the traffic which formerly used the Mont Cenis Pass was transferred to it. Forte Varisello 002

When the

Kingdom of Sardinia The Kingdom of Sardinia, also referred to as the Kingdom of Sardinia and Corsica among other names, was a State (polity), country in Southern Europe from the late 13th until the mid-19th century, and from 1297 to 1768 for the Corsican part of ...

-Piedmont ceded Savoy to France in 1860, the Mont Cenis became a frontier pass, and consequently, a part of Savoy was left on the Italian side. It was, therefore, highly fortified as a protection against an invasion of the Val di Susa route towards Turin. In 1874-1880, the Italian

Regio Esercito The Royal Italian Army () (RE) was the land force of the Kingdom of Italy, established with the proclamation of the Kingdom of Italy. During the 19th century Italy started to unify into one country, and in 1861 Manfredo Fanti signed a decree c ...

built three stone forts: Fort Cassa, Fort Varisello and Fort Roncia, supported by several batteries and fortifications, such as those at the top of Mont Malamot. Two further armored batteries, La Court and Paradiso, were added in the early 20th century, while the Fascist government built here part of its underground Alpine Wall. All these fortifications are now in French territory after the boundaries revision in 1947 allowing Savoy to get its historical territory back. The Lac Du Mont Cenis is an artificial dam that was constructed in 1921 on top of the original road and border crossing. It feeds two hydroelectric power plants. The lake is occasionally drained for maintenance.

Cycling

The pass of Mont Cenis has been crossed five times in the

Tour de France The Tour de France () is an annual men's multiple-stage cycle sport, bicycle race held primarily in France. It is the oldest and most prestigious of the three Grand Tour (cycling), Grand Tours, which include the Giro d'Italia and the Vuelta a ...

. It has been classified ''hors-catégorie'' (yielding the highest number of points in the King-of-the-Mountains classification) since 1999. For the 5 years that the pass was on the Tour, the following cyclists have crossed the pass in the lead:Le dico du Tour - Le col du Mont-Cenis dans le Tour de France depuis 1947
* 1949 - Giuseppe Tacca, France * 1956 - Federico Bahamontes, Spain * 1961 - Emmanuel Busto, France * 1992 - Claudio Chiappucci, Italy * 1999 - Dimitri Konyshev, Russia In the 2013 Giro d'Italia, the pass was included in the 15th stage on May 19, 2013.

Climate

Mont Cenis has a

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ...

(

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

''Dfc''). Due to the elevation of the top of the mountain at , the temperature here is significantly lower than that of the plains. Even the warmest months of July and August, the temperature rarely rises above , and often falls below minus in severe winter. Around the world, there are also Zoige and Litang areas with similar climatic characteristics here. The average annual temperature in Mont Cenis is . The average annual rainfall is with May as the wettest month. The temperatures are highest on average in July, at around , and lowest in February, at around . The highest temperature ever recorded in Mont Cenis was on 26 June 2019; the coldest temperature ever recorded was on 4 February 2012.

Points of interest

* Jardin botanique de Mont Cenis, an alpine

botanical garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens. is ...

Notes

References

External links

*
Profile on climbbybike.com

Both Sides: Cycling Map, Profile, and Photos

Montcenis

* Chemin de Fer du Mont-Cenis * Lac du Mont-Cenis * Col du Petit Mont-Cenis
Mont Cenis on Google Maps (Tour de France classic climbs)
{{DEFAULTSORT:Cenis, Mont Mountain passes of Auvergne-Rhône-Alpes Mountain passes of the Alps Mountains of Savoie France–Italy border crossings Cross-border roads Geography of Savoie Western Alps