Tags: Castle.
Viļaka Castle (Latvian: Viļakas pilsdrupas) (Mariensee Castle Marienhausen Villack) is a castle in the historical region of Latgale in eastern Latvia. The castle is located close to Viļaka town on an island in the Viļaka Lake. Built by Archbishopric of Riga in 1342 as a wooden castle rebuilt as a stone castle after 1516. The castle was destroyed in 1702 during the Great Northern War. The outer walls are 1.6m thick remaining fragments of the walls are up to 2 meters high.