RosnoënRosnoën is a commune in the Finistère department of Brittany in north-western France.WWW mairiederosnoen.frPopulationInhabitants of Rosnoën are called in French Rosnoënais.GeographyRosnoën is located southeast of Brest. The village occupies a peninsula between the mouths or the Aulne river and Faou river. Térénez bridge is located between Rosnoën and Landévennec. The bridge crosses the mouth of the Aulne river, connecting Crozon Peninsula to Brittany.