La Ferrière, Côtes-d'Armor

La Ferrière (Kerhouarn; Gallo: La Ferierr) is a former commune in the Côtes-d'Armor department of Brittany in north-western France. On 1 January 2016, it was merged into the new commune Les Moulins, which was renamed Plémet in December 2017.

Population
Inhabitants of La Ferrière are called in French ferrandiers.