Drôme (river)

The Drôme (Occitan: Droma) is a river in southeastern France. It is a left tributary of the Rhône river. It gives its name to the French department of Drôme.

Drôme (river)
ProgressionTemplate:RRhône
Length110.6 km (68.7 mi)

Geography

The Drôme river has a length of 110.7 km (68.8 mi), and a drainage basin with an area of 1,663 km2 (642 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 17.2 m3/s (610 cu ft/s) at Saillans in the Drôme department.[2]

Average monthly discharge (m3/s) at Saillans (108 years)[2]

Course

The Drôme starts in the Col de Carabès, in the western foothills of the Alps, in the commune of La Bâtie-des-Fonds, (Drôme department), at an altitude of about 1,033 m (3,389 ft).[3] From here, the Drôme flows first to the northwest and then to the west.

The Drôme river flows within the Auvergne-Rhône-Alpes region, 2 departments and 37 communes. It flows through the following communes, among others:[1]

Finally, it flows into the Rhône river in the commune of Loriol-sur-Drôme, on the border with the Ardèche department.[4]

Main tributaries

The main tributaries of the Drôme river are:[1]

Left tributaries:

  • Roanne - 33.9 km

Right tributaries:

  • Bez - 25.4 km
  • Gervanne - 29.9 km

Related pages

References

  1. 1.0 1.1 1.2 "La Drôme (V42-0400)" (in français). SANDRE - Portail national d'accès aux référentiels sur l'eau. Retrieved 5 September 2017.
  2. 2.0 2.1 "La Drôme à Saillans" (in français). Banque Hydro. Archived from the original on 14 December 2017. Retrieved 5 September 2017.
  3. "Source de la Drôme" (in français). Géoportail. Retrieved 5 September 2017.
  4. "Confluence de la Drôme" (in français). Géoportail. Retrieved 5 September 2017.