Sèvre Niortaise

The Sèvre Niortaise is a river in western France, flowing into the Atlantic Ocean.
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.
The Sèvre Niortaise 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 Niort.
Average monthly discharge (m3/s) at Niort
Course.
The Sèvre Niortaise starts in the "commune" of Sepvret in the Deux-Sèvres department, at an elevation of about . 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.
The Sèvre Nantaise flows through 2 regions, 3 departments and 38 "communes":
Main tributaries.
The main tributaries of the Sèvre Niortaise river are: