The Ninian () is a river in

Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo language, Gallo: ''Bertaèyn'' ) is a peninsula, Historical region, historical country and cultural area in the west of modern France, covering the western part of what was known ...

, France. Its length is . Its main tributaries are the Trelan (at

Mohon Mohon (; br, Mozhon) is a commune in the Morbihan department of Brittany in north-western France. Inhabitants of Mohon are called in French ''Mohonnais''. See also *Communes of the Morbihan department The following is a list of the 249 comm ...

), the Léverin (at

Taupont Taupont (; br, Talbont) is a commune in the Morbihan department of Brittany in north-western France. Inhabitants of Taupont are called in French ''Taupontais''. See also *Communes of the Morbihan department The following is a list of the 24 ...

), the Yvel (at

Ploërmel Church Saint-Armel Ploërmel (; ; Gallo language: ''Pieurmè'') is a commune in the Morbihan department in Brittany in north-western France. On 1 January 2019, the former commune Monterrein was merged into Ploërmel. Character of the town The to ...

) and the Guerfo. It flows into the

Oust The Oust (; br, Oud) is a river in Brittany, France, right tributary of the Vilaine. It is long. Its source is in the hills between Corlay and Quintin. It flows generally southeast, through the following ''départements'' and towns: * Côtes- ...

near to

Montertelot Montertelot (; ) is a commune in the Morbihan department in Brittany in north-western France. It is situated between the cities of Rennes and Vannes, about 6 km from Ploërmel. Inhabitants of Montertelot are called ''Montertelotais''. See ...

References

Rivers of Brittany Rivers of France Rivers of Côtes-d'Armor Rivers of Morbihan {{France-river-stub