Château des Baux is a medieval castle located in the Alpilles mountains in the Provence region of southern France. The castle was built in the 10th century and has since been fortified and expanded over the centuries. Today, it stands as a remarkable example of medieval military architecture.

Visitors can explore the castle's ramparts, towers, and dungeon, as well as the remains of its residential buildings, including the castle's great hall and chapel. There is also a reconstructed trebuchet, a medieval siege weapon, which can be seen in action during demonstrations.

In addition to the castle's impressive architecture, it also boasts stunning views of the surrounding countryside, including the olive groves and vineyards of the nearby village of Les Baux-de-Provence. The castle is also home to a number of exhibitions, including a display of medieval weapons and armor.