High Quality Content by WIKIPEDIA articles! Valloires Abbey is a 12th century Cistercian abbey situated in the commune of Argoules in the Somme department of France.In 1138, Guy II of Ponthieu agreed with Cistercian monks to the foundation of their seventh abbey in France. The monks established themselves at Valloires in the valley of the Authie river in 1158 AD. At the height of its prosperity, in the 12th and 13th centuries, the abbey was home to about one hundred monks.