Sèvre Nantaise

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Sèvre Nantaise
Sèvre Nantaise near Le Longeron.jpg
The Sèvre Nantaise, near Le Longeron
Native nameLa Sèvre nantaise  (French)
Physical characteristics
 - locationDeux-Sèvres
 - elevation215 m (705 ft)
 - location
 - coordinates
47°11′46″N 1°32′49″W / 47.19611°N 1.54694°W / 47.19611; -1.54694 (Loire-Sèvre Nantaise)Coordinates: 47°11′46″N 1°32′49″W / 47.19611°N 1.54694°W / 47.19611; -1.54694 (Loire-Sèvre Nantaise)
Length141.8 km (88.1 mi)
Basin size2,356 km2 (910 sq mi)
 - average9.5 m3/s (340 cu ft/s)
Basin features
ProgressionLoireAtlantic Ocean

The Sèvre Nantaise is a river in western France, a left-bank tributary to the Loire. Its total length is 141.8 km (88.1 mi).[1] Its source is in the Deux-Sèvres département, near Secondigny. It flows from south to north through the départements and towns listed here, reaching the river Loire in the city of Nantes, hence the name Sèvre Nantaise (distinguishing it from the Sèvre Niortaise, further south): Deux-Sèvres (Moncoutant, La Forêt-sur-Sèvre), Vendée (Saint-Laurent-sur-Sèvre, Mortagne-sur-Sèvre), Maine-et-Loire (Le Longeron, Torfou), and Loire-Atlantique (Clisson, Le Pallet, Vertou, Rezé. The complete list is on the French page for this river.


The river is navigable over a length of 21.5 km from the village of Monnières to the confluence. It has a horseshoe weir (Chaussée Des Moines) and lock at Vertou, and a tidal sluice open to boats an hour before and after high tide at Pont-Rousseau, in the suburbs of Nantes. Its left-bank tributary, the Petite-Maine, is also navigable over a length of 5 km up to the first disused lock and weir. The river is an important resource for tourism in the region. Beyond the navigable section, the river is a popular destination for canoeists.


  1. ^ Sandre. "Fiche cours d'eau - Sèvre Nantaise (M7--0240)".