Aulne Abbey settled
657 CE.
Shown on the map at 50.367°, 4.331°.
Aulne Abbey (French: Abbaye d'Aulne) was a Cistercian monastery located between Thuin and Landelies on the river Sambre in the Bishopric of Liège, Belgium. It is now a Walloon Heritage Site.
Text from the Wikipedia article Aulne Abbey, licensed CC BY-SA 4.0.