The Vapor of Trieux is a steam train which connects Paimpol and Pontrieux, in the Coasts of Armor, in Brittany.
The famous machine 231 G 558, going back to 1922, weighs 104 tons and already traversed more than one million kilometers. It takes you along on board cars to the seats out of wooden to discovered valley of Trieux, where only the train can pass!