The Yon () is a long river in the

Vendée Vendée () is a department in the Pays de la Loire region in Western France, on the Atlantic coast. In 2019, it had a population of 685,442.département'', western France. Its source is at Saint-Martin-des-Noyers. It flows generally south. It is a right tributary of the Lay into which it flows between Rosnay and Le Champ-Saint-Père.

Communes along its course

This list is ordered from source to mouth: *Vendée: Saint-Martin-des-Noyers, La Chaize-le-Vicomte, La Ferrière,

Dompierre-sur-Yon Dompierre-sur-Yon (, literally ''Dompierre on Yon'') is a commune in the Vendée department in the Pays de la Loire region in western France France, officially the French Republic, is a country located primarily in Western Europe. Overs ...

La Roche-sur-Yon La Roche-sur-Yon () is a Communes of France, commune in the Vendée Departments of France, department in the Pays de la Loire Regions of France, region in western France. It is the capital of the department. The demonym for its inhabitants is '' ...

, Nesmy,

Saint-Florent-des-Bois Saint-Florent-des-Bois () is a former Communes of France, commune in the Vendée Departments of France, department in the Pays de la Loire Regions of France, region in western France. On 1 January 2016, it was merged into the new commune of Rives- ...

, Chaillé-sous-les-Ormeaux, Le Tablier, Rosnay, Le Champ-Saint-Père

References

Rivers of France Rivers of Vendée Rivers of Pays de la Loire {{France-river-stub