11th century tower built by Countess Richild of Hainaut.

Several rooms to visit: Gallo-Roman potteries, Charles de Croÿ's miniatures (16th Century), souvenirs of Caraman-Chimay's Princes and of Napoléon, trades, Clarisse's cell.
More than 650 objects are on display.

Outstanding panoramic views!

Napoléon stayed here in 1815!