The Oust (; ) is a river in

Brittany Brittany ( ) is a peninsula, historical country and cultural area in the north-west of modern France, covering the western part of what was known as Armorica in Roman Gaul. It became an Kingdom of Brittany, independent kingdom and then a Duch ...

, France, right tributary of the

Vilaine The Vilaine (; ) is a river in Brittany, in the west of France. The river's source is in the Mayenne ''Département in France, département'' (53), and it flows out into the Atlantic Ocean at Pénestin in the Morbihan ''département'' (56). It is ...

. It is long. Its source is in the hills between Corlay and Quintin. It flows generally southeast, through the following ''

département In the administrative divisions of France, the department (, ) is one of the three levels of government under the national level (" territorial collectivities"), between the administrative regions and the communes. There are a total of 101 ...

s'' and towns: *

Côtes-d'Armor The Côtes-d'Armor ( , ; ; , ), formerly known as Côtes-du-Nord until 1990 (, ), is a department in the north of Brittany, in northwestern France. In 2019, it had a population of 600,582.Uzel *

Morbihan The Morbihan ( , ; ) is a departments of France, department in the administrative region of Brittany (administrative region), Brittany, situated in the northwest of France. It is named after the Gulf of Morbihan, Morbihan (''small sea'' in Breton ...

: Rohan, Josselin, Malestroit *

Ille-et-Vilaine Ille-et-Vilaine (; Gallo language, Gallo: ''Ill-e-Vilaenn'', ) is a departments of France, department of France, located in the regions of France, region of Brittany (administrative region), Brittany in the northwest of the country. It is named a ...

: Redon The Oust flows into the river

in Redon. The part of the Oust between Rohan and Redon has been made navigable for small ships, and forms part of the Canal de Nantes à Brest. The rivers Aff, Arz and Ninian are among its tributaries.

References

Rivers of France Rivers of Brittany Rivers of Côtes-d'Armor Rivers of Ille-et-Vilaine Rivers of Morbihan Brittany region articles needing translation from French Wikipedia {{France-river-stub