The Sèvre Nantaise () is a river in the Pays de la Loire regions in western France. It is a left-bank tributary of the Loire. Its total length is . Its source is in the Deux-Sèvres department, near Secondigny. It flows from south to north through the departments and towns listed here, reaching the river Loire in the city of Nantes. That city gives it the name Sèvre Nantaise, distinguishing it from the Sèvre Niortaise further south. Departments and communes along its course This list is ordered from source to mouth: Deux-Sèvres: Moncoutant, La Forêt-sur-Sèvre Vendée: Saint-Laurent-sur-Sèvre, Mortagne-sur-Sèvre, Tiffauges Maine-et-Loire: Le Longeron, Torfou Loire-Atlantique: Clisson, Le Pallet, Vertou, Rezé, Nantes The complete list is on the French page for this river. Navigation The river is navigable over a length of 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. The river is an important resource for tourism in the region. Beyond the navigable section, the river is a popular destination for canoeists. Its left-bank tributary the Petite Maine is also navigable over a length of , up to the first disused lock and weir. References Edwards-May, David, Inland Waterways of France (2010), Imray Ltd., St Ives, Cambs., UK, p. 284 Sèvre Nantaise with further details by the author of 'Inland Waterways of France' Navigation details for 80 French rivers and canals (French waterways website section) Rivers of France Rivers of Nouvelle-Aquitaine Rivers of Pays de la Loire Rivers of Deux-Sèvres Rivers of Vendée Rivers of Maine-et-Loire Rivers of Loire-Atlantique