Sèvre Nantaise

river in France

The Sèvre Nantaise is a river in western France, a left tributary of the Loire river.

Sèvre Nantaise
La Sèvre nantaise  (French)
The Sèvre Nantaise, near Tiffauges
Location
CountryFrance
Physical characteristics
Source 
 - locationDeux-Sèvres
 - elevation215 m (705 ft)
Mouth 
 - locationLoire
 - coordinates47°11′46″N 1°32′49″W / 47.19611°N 1.54694°W / 47.19611; -1.54694
Length141.8 km (88.1 mi)
Basin size2,356 km2 (910 sq mi)
Discharge 
 - average9.5 m3/s (340 cu ft/s)
Basin features
ProgressionLoireAtlantic Ocean

It starts in the Deux-Sèvres department (named "Two Sèvres" after this and the Sèvre Niortaise river that flows through Niort) and ends in the city of Nantes (and is the origin of the second part of the river's name).

Geography

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The Sèvre Nantaise river has a length of 141.8 km (88 mi) and a drainage basin with an area of approximately 2,356 km2 (910 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 23.60 m3/s (833 cu ft/s) at Nantes, where the Sèvre Nantaise joins the Loire river.[2]

Average monthly discharge (m3/s) at Nantes

Course

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The Sèvre Nantaise starts in the Gâtines plateau, commune of Neuvy-Bouin, near the commune of Secondigny in the Deux-Sèvres department, at an elevation of about 210 m (689 ft).[3] It then flows to the northwest through the departments of Vendée, Maine-et-Loire and Loire-Atlantique.

Finally, the river flows into the Loire river in the city of Nantes.[4]

The Sèvre Nantaise flows through 2 regions, 4 departments and 44 communes:[1]

Main tributaries

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The main tributaries of the Sèvre Nantaise river are:[1]

Left tributaries:

  • Crûme - 22.7 km
  • Maine - 68.4 km

Right tributaries:

  • Ouin - 33.7 km
  • Moine - 68.8 km
  • Sanguèze - 44 km
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References

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  1. 1.0 1.1 1.2 "La Sèvre Nantaise M7--0240)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 27 June 2015. Retrieved 23 August 2016.
  2. "La Sèvre Nantaise à Nantes (Pont-Rousseau)" (in French). Banque Hydro. Archived from the original on 3 March 2016. Retrieved 19 April 2017.
  3. "Source de la Sèvre Nantaise" (in French). Géoportail. Retrieved 23 August 2016.
  4. "Confluence de la Sèvre Nantaise" (in French). Géoportail. Retrieved 23 August 2016.

Other websites

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