During a 3-hour guided tour, discover Vauban's fortifications, listed on the UNESCO World Heritage List, in a new light: a traditional intramural tour enhanced by a walk through the rampart moats. Guided tours all year round, by reservation, for individuals (with a minimum of 6 people on weekdays and 10 people on weekends) and groups. Prices: €12/person, €11/person (CNAS reduced rate), free for children under 12, €10/person (group rate).