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Crolles
Commune
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Location of Crolles
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Coordinates: 45°17′09″N 5°53′01″E / 45.2858°N 5.8836°E / 45.2858; 5.8836
Country	France
Region	Auvergne-Rhône-Alpes
Department	Isère
Arrondissement	Grenoble
Canton	Le Moyen Grésivaudan
Intercommunality	CC Le Grésivaudan
Government
• Mayor (2020–2026)	Philippe Lorimier[1]
Area 1	14 km2 (5 sq mi)
Population  (2021)[2]	8,317
• Density	590/km2 (1,500/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	38140 /38920
Elevation	219–1,000 m (719–3,281 ft) (avg. 245 m or 804 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Crolles (French pronunciation: [kʁol]) is a commune in the Isère department in southeastern France.^[3] It is located in the Isère valley, 20 km northeast of Grenoble, upstream on the river Isère. It has given its name to the Dent de Crolles mountain (2,062 m), which stands just above the city.

Crolles hosts the biggest semiconductor fabrication plant in France (employing 4,000 people, for a total investment of 3 billion euros). First founded by STMicroelectronics in the 1980s, the recent development (Crolles 2, 2003) results from a joint-venture with Philips (today NXP semiconductors) and Motorola.

Crolles is the birthplace of Petzl, manufacturers of safety equipment for mountaineering, caving and vertical safety in civil engineering, which still has its headquarters there and is also the site of the main manufacturing plant of Teisseire, a beverage company now owned by Britvic.

• Communes of the Isère department

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