The Château de Coucy is a French castle in the commune of Coucy-le-Château-Auffrique, in the département of Aisne, built in the 13th century and renovated by Viollet-le-Duc in the 19th. In 1917, the German army dynamited the keep and the four towers using 28 tons of explosives. The castle was constructed in the 1220s by Enguerrand III de Coucy. The castle proper occupies the tip of a bluff or falaise. It forms an irregular trapezoid of 92 x 35 x 50 x 80 m.

• Telefoon +(0)3 23 52 71 28
• E-mail coucy@monuments-nationaux.fr
• Adress Route D13 | rue du Château, 02217 Coucy-le-Château-Auffrique
• Website http://www.chateau-coucy.fr/