The Arc is a 128 km long river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Savoie

Savoie

Savoie is a French department located in the Rhône-Alpes region in the French Alps.Together with the Haute-Savoie, Savoie is one of the two departments of the historic region of Savoy that was annexed by France on June 14, 1860, following the signature of the Treaty of Turin on March 24, 1860...

 département of south-eastern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. It is a left tributary of the Isère River

Isère River

The Isère is a 286 km long river in southeastern France, in the Rhône-Alpes région. Its source is in the Alps on the border with Italy, near the ski resort Val d'Isère. It flows into the Rhône River in Pont-de-l'Isère, a few km north of Valence...

, which it joins at Chamousset

Chamousset, Savoie

Chamousset is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France....

, approximately 15 km downstream from Albertville

Albertville

Albertville is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.The town is best known for hosting the 1992 Winter Olympics.-Geography:...

. Its source is near the border with Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, in the Graian Alps

Graian Alps

The Graian Alps are a mountain range in the western part of the Alps. They are located in France , Italy , and Switzerland...

, northeast of Bonneval-sur-Arc. The valley of the Arc, the Maurienne

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:...

, is an important transport artery between France and Italy.

Towns crossed by the river

• Bonneval-sur-Arc
  Bonneval-sur-Arc
  Bonneval-sur-Arc is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-External links:*...
  
  
• Bessans
  Bessans
  Bessans is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-Geography:Located on the Haute-Maurienne plateau, at an altitude of 1750 meters, the area is known for its sporting activities. Bessans is located in a valley, ideal for Nordic skiing...
  
  
• Lanslevillard
  Lanslevillard
  Lanslevillard is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-References:*...
  
  
• Lanslebourg-Mont-Cenis
  Lanslebourg-Mont-Cenis
  Lanslebourg-Mont-Cenis is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-External links:*...
  
  
• Bramans
  Bramans
  Bramans is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France....
  
  
• Modane
  Modane
  Modane is a commune in the Savoie department in the Rhône-Alpes region in southeastern France.It was part of the Kingdom of Sardinia until 1860.-Transportation:...
  
  
• Saint-Michel-de-Maurienne
  Saint-Michel-de-Maurienne
  Saint-Michel-de-Maurienne is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-See also:*Communes of the Savoie department*The 1917 Saint-Michel-de-Maurienne derailment, which killed several hundred French troops....
  
  
• Saint-Jean-de-Maurienne
  Saint-Jean-de-Maurienne
  Saint-Jean-de-Maurienne is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France. It is a sub-prefecture of the department....
  
  
• Aiguebelle
  Aiguebelle
  Aiguebelle is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France.-References:*...