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{{Multiple issues|
{{more citations needed|date=July 2018}}
{{Expand French|topic=geo|date=December 2009|Voiron}}
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{{Infobox French commune
|name                   = Voiron
|commune status         = [[Communes of France|Commune]]
|image                  = Voiron Saint-Bruno.JPG
|caption                = Church of Saint-Bruno de Voiron
|coordinates            = {{coord|45.3642|5.5906|format=dms|display=inline,title}}
|arrondissement         = Grenoble
|intercommunality       = [[Communauté d'agglomération du Pays Voironnais|Pays Voironnais]]
|mayor                  = Julien Polat<ref>{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}</ref>
|term                   = 2020&ndash;2026
|elevation m            = 290
|elevation min m        = 222
|elevation max m        = 846
|area km2               = 21.9
|population             = {{France metadata Wikidata|population_total}}
|population date        = {{France metadata Wikidata|population_as_of}}
|population footnotes   = {{France metadata Wikidata|population_footnotes}}
|INSEE                  = 38563
|postal code            = 38500
|image coat of arms     = Blason Voiron.svg
|canton                 = Voiron
}}

'''Voiron''' ({{IPA|fr|vwaʁˈɔ̃}}; {{langx|frp|Vouèron}}) is a [[Communes of France|commune]] (French municipality) in the [[Isère]] [[Departments of France|department]] in southeastern France.<ref>[https://www.insee.fr/fr/metadonnees/geographie/commune/38563-voiron INSEE commune file]</ref> It is the capital of the canton of Voiron and has been part of the [[Grenoble-Alpes Métropole]] since 2010. Voiron is located {{convert|25|km|abbr=on}} northwest of [[Grenoble]] and {{convert|85|km|abbr=on}} southeast of Lyon. Its roughly 20,000 inhabitants are named ''Voironnais'' in French.

Voiron, along with [[Chambéry]] and Grenoble, is a gateway city of the [[Chartreuse Mountains]] in the [[Auvergne-Rhône-Alpes]] region.

== History ==
{{unreferenced section|date=July 2018}}
Voiron had been a part of the [[County of Savoy]] in the Middle Ages. In the [[Treaty of Paris (1355)]] the count exchanged Voiron and the rest of the region between the rivers [[Rhône]] and [[Isère (river)|Isère]] (watered by the [[Guiers Mort]]) for [[Faucigny]] and [[Gex, Ain|Gex]] from France.<ref name="EB1911">{{EB1911|inline=y |wstitle=Voiron |volume=28 |page=177}}</ref>

===<abbr>17th and 18th</abbr> centuries===
In 1700, the capital of the [[Chartreuse Mountains|Chartreuse massif]] and its surrounding area had about 1,200 inhabitants and more than a hundred of them worked in the processing of [[hemp]].

Since the beginning of the century, production had been organized around the Voironnaise factory and canvases were marked to certify their origin. The city acquired a great reputation thanks to its paintings resulting from a secular know-how. The privileges granted by [[Louis XII of France|Louis XII]] disappeared during the [[French Revolution]]. However, the production of canvas continued, and their reputation allowed Voiron to maintain this activity under the First Empire due in large part to purchases by the army.

===<abbr>19th</abbr> century===
[[File:San bruno.jpg|alt=Saint Bruno, founder of the Carthusian Order to whom the church of Voiron is dedicated.|thumb|Saint Bruno, founder of the Carthusian Order to whom the church of Voiron is dedicated]]
The <abbr>nineteenth</abbr> century saw the decline of the era of canvas in Voiron because of the scarcity of [[linen]] and [[cotton]], and because of the disappearance of the sailing navy which had been a large consumer of canvasses. Voiron came to be known for its fine silks, sought after by European royalties. Voiron then benefited from a female workforce, housed at the factory and often poorly paid. Voiron also gained religious influence marked by the 1876 erection of the Saint-Bruno church of neo-Gothic style{{Clarify|date=July 2018}} by a first magistrate. A statue representing the Virgin Mary and the infant Jesus, a tribute to Notre-Dame-de-France Puy-en-Velay, was also erected.

===<abbr>20th</abbr> century===
The company [[Skis Rossignol]] was founded in 1907 by Abel Rossignol. Entire families of Voiron, along with Italian immigrants who arrived en masse at the beginning of the century, worked in these factories.{{Citation needed|date=July 2018}} On the eve of the First World War, the silk-weaving business used nearly 3,000 looms. At the same time, the rise of paper mills on the banks of the Morge, the river crossing the small town, attracted workers to the city. The company [[Radiall]] was founded as well and the population of Voiron grew past 15,000.

===<abbr>21st</abbr> century===
Voiron remains a significant economic and administrative center of the department of Isère. Voiron has sought to keep its independence from its much larger neighbor, the [[Grenoble]] conurbation. Voiron survived a difficult conversion after the departure of companies Rossignol and Johnson & Johnson. Pays Voironnais is working to attract new jobs aimed at limiting the dormitory phenomenon already affecting the suburbs of Voiron.{{Clarify|date=July 2018}} However, because of the urban sprawl between [[Voreppe]] and Voiron, this town has been considered by the [[Institut national de la statistique et des études économiques|National Institute of Statistics and Economic Studies]] (INSEE) as belonging to the [[Grenoble-Alpes Métropole]] since 2010.

== Geography ==
The city is located {{convert|25|km|abbr=on}} northwest of Grenoble and {{convert|85|km|abbr=on}} southeast of [[Lyon]]. Voiron is at an altitude of {{convert|290|m|ft|abbr=off}}, on the [[Morge (Isère)|Morge]] (a tributary of the [[Isère (river)|Isère]]).

==Population==

{{Historical populations
| align = none
| cols = 2
| percentages = pagr
| source = EHESS<ref name=ehess>{{Cassini-Ehess|40959|Voiron}}</ref> and INSEE (1968–2017)<ref name=pophist>[https://www.insee.fr/fr/statistiques/4515315?geo=COM-38563#ancre-POP_T1 Population en historique depuis 1968], INSEE</ref>
| graph-pos = bottom
|1793 |4905
|1800 |5399
|1806 |5918
|1821 |6175
|1831 |6924
|1836 |7571
|1841 |7694
|1846 |8255
|1851 |8480
|1856 |8852
|1861 |9637
|1866 |10089
|1872 |10262
|1876 |11064
|1881 |11955
|1886 |11954
|1891 |11604
|1896 |12022
|1901 |12625
|1906 |12083
|1911 |12503
|1921 |11931
|1926 |12746
|1931 |12847
|1936 |12444
|1946 |12598
|1954 |13551
|1962 |14437
|1968 |17587
|1975 |19420
|1982 |18911
|1990 |18686
|1999 |19794
|2007 |20689
|2012 |19925
|2017 |20108
}}

== Sights ==
The church of St Bruno was built between 1864 and 1873 at the expense of the monks of the [[Grande Chartreuse]]. Voiron was the starting-point of the steam tramways to [[Saint-Laurent-du-Pont]], {{Convert|12|mi|km}} (for the Grande Chartreuse), and to [[Charavines]], over {{Convert|10|mi|km}} (for the [[Lac de Paladru]]).<ref name="EB1911"/>

The distillery Chartreuse Cellars is a popular tourist destination. It is the longest liqueur cellar in the world.<ref>{{Cite web|url=https://www.chartreuse.fr/en/visites/the-chartreuse-cellars/|title=Tour of the Chartreuse Cellar in Voiron – Chartreuse|website=www.chartreuse.fr|access-date=2017-11-25}}</ref> The cellar is open year-round with English guided tours available during June, July, and August.

== Economy ==
Voiron is a manufacturing town, and it contains numerous factories. Companies include: [[Skis Rossignol|Rossignol]] ([[ski]]s), Radiall Connections, Antésite (a [[liquorice]]-flavored drink), [[Chartreuse (liquor)|Chartreuse]] liquor cellars, Bonnat Chocolatier (since 1884), and Allaman (manufacturing and transporting of petrol tanks).

{{clear left}}

== Education ==
; Secondary (high school): 
* Lycée [[Édouard Herriot]]
* Lycée [[Ferdinand Buisson]]
* Lycée agricole La Martelière

==Notable people==
*[[Dantès Dailiang]] (born 1978), singer-songwriter
*[[Christophe Bouchut]] (born 1966), race driver, [[24 Hours of Le Mans]] winner
*[[Mélina Robert-Michon]] (born 1979), discus thrower
*[[Fabien Centonze]] (born 1996), footballer

==Twin towns – sister cities==
{{See also|List of twin towns and sister cities in France}}
Voiron is [[Sister city|twinned]] with:<ref>{{cite web |title=Comité de jumelage de Voiron|url=http://www.jumelage-voiron.com/|website=jumelage-voiron.com|publisher=Comité de jumelage de Voiron|language=fr|access-date=2019-11-16}}</ref>
*{{flagicon|ITA}} [[Bassano del Grappa]], Italy
*{{flagicon|ENG}} [[Droitwich Spa]], England, United Kingdom
*{{flagicon|GER}} [[Herford]], Germany
*{{flagicon|CRO}} [[Šibenik]], Croatia

==See also==
* [[SO Voiron]] – [[rugby union]] team
* [[Auguste Marie]]

==References==
{{reflist}}

==External links==
*[https://www.voiron.fr/ Official site] {{in lang|fr}}

{{commons category}}
{{Isère communes}}

{{Authority control}}

[[Category:Communes of Isère]]
[[Category:Dauphiné]]
[[Category:Isère communes articles needing translation from French Wikipedia]]