Pettingen Castle, Medieval castle ruins in Mersch, Luxembourg
Pettingen Castle is a fortified site in Mersch featuring four round corner towers and a square central keep surrounded by a wide moat. The moat was fed by the Weillerbach stream, creating a natural water-based defense system for the stronghold.
The fortress was first documented in the 10th century as Pittigero Mazini before becoming Pettingen Castle under the Lords of Pettingen family in the 13th century. The site remained under their control and influence for many generations afterward.
The castle remains show how a local noble family controlled this land during medieval times through strategic architecture and defensive positioning. The site reflects the importance of such fortifications in ruling and protecting the region during that era.
The ruins remain open to visitors year-round and stand about 4 kilometers north of Mersch town center. The site is visible from the Luxembourg-north railway line, making it easy to locate when exploring the area.
In 1684, French forces under King Louis XIV attacked the castle with cannon fire, leaving damage marks still visible on the ruins today. This bombardment marked a turning point and explains why only these partial remains survive.
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