[river] The Argenton is a 71 km long river in France, left tributary of the Thouet. Its source is in the commune Cirières. Its course crosses the department of Deux-Sèvres. It flows generally northeast through the towns of Le Pin, Nueil-les-Aubiers, Argenton-les-Vallées and Argenton-l`Église, finally flowing into the Thouet near Saint-M...