Sèvre Nantaise

The Sèvre Nantaise is a river in western France, a left tributary of the Loire river.
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.
The Sèvre Nantaise river has a length of and a drainage basin with an area of approximately .
Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is at Nantes, where the Sèvre Nantaise joins the Loire river.
Average monthly discharge (m3/s) at Nantes
Course.
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 . 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.
The Sèvre Nantaise flows through 2 regions, 4 departments and 44 "communes":
Main tributaries.
The main tributaries of the Sèvre Nantaise river are: