Sèvre Niortaise

river in France

The Sèvre Niortaise is a river in western France, flowing into the Atlantic Ocean.

Sèvre Niortaise
La Sèvre niortaise  (French)
The Sèvre Niortaise near Niort
Sèvre Niortaise is located in France
Sèvre Niortaise
Sèvre Niortaise is located in Nouvelle-Aquitaine
Sèvre Niortaise
Location
CountryFrance
Physical characteristics
Source 
 - locationDeux-Sèvres
 - elevation150 m (490 ft)
Mouth 
 - locationAtlantic Ocean
 - coordinates46°18′35″N 1°7′45″W / 46.30972°N 1.12917°W / 46.30972; -1.12917
Length158.4 km (98.4 mi)
Discharge 
 - average44 m3/s (1,600 cu ft/s)

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

Geography

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The Sèvre Niortaise river has a length of 158.4 km (98 mi) and a drainage basin with an area of approximately 3,650 km2 (1,409 sq mi).[1]

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 11.60 m3/s (410 cu ft/s) at Niort.[2]

Average monthly discharge (m3/s) at Niort

Course

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The Sèvre Niortaise starts in the commune of Sepvret in the Deux-Sèvres department, at an elevation of about 150 m (492 ft).[3] It then flows to the northwest through the departments of Vendée and Charente-Maritime.

Finally, the river flows into the Atlantic Ocean to north of the city of La Rochelle.[4]

The Sèvre Nantaise flows through 2 regions, 3 departments and 38 communes:[1]

Main tributaries

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

Left tributaries:

  • Lambon - 40.8 km
  • Mignon - 45.9 km

Right tributaries:

  • Vendée - 82.5 km
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References

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  1. 1.0 1.1 1.2 "La Sèvre Niortaise N---006-)" (in French). SANDRE - Portail national d'accès aux référentiels sur l'eau. Archived from the original on 5 March 2016. Retrieved 23 August 2016.
  2. "La Sèvre Niortaise à Niort (La Tiffardière)" (in French). Banque Hydro. Archived from the original on 3 March 2016. Retrieved 19 April 2017.
  3. "Source de la Sèvre Niortaise" (in French). Géoportail. Retrieved 23 August 2016.[permanent dead link]
  4. "Confluence de la Sèvre Niortaise" (in French). Géoportail. Retrieved 23 August 2016.[permanent dead link]

Other websites

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