Arc (Isere)
Arc | ||
The river at Saint-Michel-de-Maurienne |
||
Data | ||
Water code | FR : W10-0400 | |
location | France , Auvergne-Rhône-Alpes region | |
River system | Rhône | |
Drain over | Isère → Rhône → Mediterranean | |
source |
Vanoise massif , in the municipality of Bonneval-sur-Arc 45 ° 24 ′ 20 ″ N , 7 ° 9 ′ 12 ″ E |
|
Source height | approx. 2760 m | |
muzzle | in the municipality of Chamousset in the Isère coordinates: 45 ° 33 ′ 47 ″ N , 6 ° 12 ′ 12 ″ E 45 ° 33 ′ 47 ″ N , 6 ° 12 ′ 12 ″ E |
|
Mouth height | approx. 295 m | |
Height difference | approx. 2465 m | |
Bottom slope | approx. 19 ‰ | |
length | approx. 127 km | |
Catchment area | 1985 km² | |
Discharge at the Saint-Michel-de-Maurienne A Eo gauge : 939 km² |
MQ Mq |
31 m³ / s 33 l / (s km²) |
Left tributaries | Neuvache , Valloirette , Arvan , Glandon | |
Right tributaries | Doron de Termignon | |
Small towns | Saint-Jean-de-Maurienne |
The Arc is a river in France that runs in the Savoie department in the Auvergne-Rhône-Alpes region . Its main source stream Arc Supérieur rises in the Vanoise massif , on the western flank of the Levanna Centrale summit ( 3619 m ), near the border with Italy . The source is below the glacier area Glacier des Sources de l'Arc , in the Vanoise National Park and in the municipality of Bonneval-sur-Arc . The Arc drains the Maurienne landscape in an arc, turning from southwest over west to north, and flows into the Isère as a left tributary after around 127 kilometers in the municipality of Chamousset .
Places on the river
- Bonneval-sur-Arc
- Lanslebourg-Mont-Cenis
- Modane
- Saint-Michel-de-Maurienne
- Saint-Julien-Mont-Denis
- Saint-Jean-de-Maurienne
- La Chambre
- Saint-Rémy-de-Maurienne
- Aiguebelle
- Aiton
Hydrology
On June 14, 1957, the river destroyed numerous dams and bridges in a storm. Many people died in the process. A mean flow rate of 900 m³ / s was measured at Saint-Jean-de-Maurienne. During another storm on September 24, 1993, 400 to 500 m³ / s was measured at the same location.
See also
- Arc (Mediterranean) , river of the same name in the Provence-Alpes-Côte d'Azur region
Web links
Individual evidence
- ↑ a b geoportail.fr (1: 16,000)
- ↑ a b c The information on the river length is based on the information about the Arc at SANDRE (French), accessed on February 10, 2011, rounded to full kilometers.
- ↑ hydro.eaufrance.fr (station: W1034010 , option: Synthèse )