Schoenfels Castle (Luxembourgish: Schlass Schëndels; French: Château de Schoenfels), with a history dating back to the 12th century, is one of the castles belonging to the Valley of the Seven Castles in central Luxembourg. Located in the village of Schoenfels in the Mamer Valley between Kopstal and Mersch, it now belongs to the State of Luxembourg.[1]