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Koerich Castle, nestled in the small valley of the Goeblinger stream, is one of our most typical lowland castles. With its impressive defensive tower and its square outer walls, it forms a remarkable unit together with the baroque church and the old houses of Koerich. It was Wirich I, Lord of Koerich and majordomo of Luxembourg, who had the castle complex built at the end of the 12th and beginning of the 13th century.
The defensive tower, called the "Witches' Tower", is in the late Romanesque style, like the outer walls. With a floor plan of 12 x 11.6 m and a wall thickness of 3 to 3.5 m, it is one of the most powerful castle towers in the region - its original height was once estimated at 25 to 30 m and is now only 11 m high.
A partial reconstruction in the Gothic style took place around 1300. Between 1380 and 1385, Gilles d'Autel-Koerich undertook significant changes: he had a Gothic residential building built in the castle ring and two rectangular towers in the south façade.
In 1728, the south wing was rebuilt again, this time in the Baroque style. From the second half of the 18th century, the castle was no longer inhabited by a nobleman. Maintenance work was neglected and the castle became uninhabitable. The last owner, Pierre Flammang, undertook structural safety work from 1950 onwards to put a stop to the decay. Today, the castle is owned by the Luxembourg state.