Drac (river)

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Esrf grenoble.jpg
Confluence of the Drac with the Isère in Grenoble
Country France
Basin features
Main source Massif des Écrins
River mouth Isère
45°12′55″N 5°40′31″E / 45.21528°N 5.67528°E / 45.21528; 5.67528 (Isère-Drac)Coordinates: 45°12′55″N 5°40′31″E / 45.21528°N 5.67528°E / 45.21528; 5.67528 (Isère-Drac)
Progression IsèreRhôneMediterranean Sea
Basin size 3,550 km2 (1,370 sq mi)
Physical characteristics
Length 130 km (81 mi)
  • Average rate:
    97 m3/s (3,400 cu ft/s)

The Drac is a 130-kilometre (81 mi) long river in southeastern France. It is a left tributary of the river Isère. It is formed at the confluence of the Drac Noir and the Drac Blanc, that both rise in the southern part of the Massif des Écrins, high in the French Alps. It flows through several reservoirs on its course, including the Lac de Monteynard-Avignonet. It flows into the Isère at Grenoble. Its major tributary is the Romanche.

The Drac flows through the following départements and towns:

The average flow of the Drac at Fontaine is 97 cubic metres per second (3,400 cu ft/s), with the highest monthly flows occurring in June, due to the melting of Alpine glaciers. The catchment area of the river is 3,550 square kilometres (1,370 sq mi), which has an average rainfall of 859 millimetres (33.8 in).[1]

The name Drac, originally the Drau, is due to an attraction by the occitan drac "imp", which is derived from the Latin dracō, meaning "Dragon". It is documented in the forms of Dracum (v. 1100), Dravus (1289) and the ribière dou Drau (1545). The word "Drac" means Dragon. In many legends the drac, in Occitan, is a genius of evil waters or a form of Satan that attracts children to drown.[2] Frédéric Mistral wrote in Félibrige Treasury:[2]

In December 1995, six children and their teacher were drowned in the river after the level of water rose due to the opening of the valves of a dam. They were there to see beavers. All of them died.[3]


  1. ^ Drac at Fontaine Archived December 15, 2014, at the Wayback Machine.
  2. ^ a b "Dragons - Entre sciences et fictions" (in French). www.lahic.cnrs.f. Retrieved 2009-03-04. 
  3. ^ "Drame du Drac notre enquête" (in French). hebdo.nouvelobs.com. 21 December 1995. Retrieved 2009-03-04. 

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