View of Crolles
|• Mayor (2014–2020)||Philippe Lorimier|
|Area1||14 km2 (5 sq mi)|
|• Density||600/km2 (1,500/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|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.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
Crolles is a commune in the Isère department in southeastern France. It is located in the Isère valley, 20 km northeast of Grenoble, upstream on the Isère River. It has given its name to the Dent de Crolles mountain (2,062 m), which stands just above the city.
Crolles is known to host the biggest semiconducting fab of France (4,000 people, for a total investment of 3 billions 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.
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