Seventy years of live performance under the stars of Haute-Provence
The Festival de Thau is a world music festival organized every summer in Mèze, in Hérault (34), on the shores of the étang de Thau. Created in 1991, it offers an international program in a remarkable natural setting and is part of an eco-festival approach. Concerts take place notably at the port of Mèze and at the Jardin antique méditerranéen.
The history of Les Nuits de la Citadelle dates back to 1928, when artist and poet Marcel Provence chose Sisteron for his "IIIe Saison d'art alpin" (3rd Alpine Art Season). In collaboration with Antoine Balpétré, a major figure in French Theatre, he presented Corneille's Le Cid on the citadel's ramparts. A green theatre was set up in the natural tiers formed by the bastions on the north face, with the imposing rampart of the Counts of Provence as its backdrop.
From 1928 to 1939, two annual performances attracted an enthusiastic audience: Britannicus, Phèdre, plays by Molière, and opera performances. In 1930, Albert Lambert, a star of the Comédie-Française, triumphed in Œdipe Roi before a standing ovation. The Second World War interrupted the performances, and the citadel became a place of internment. The festival was reborn in 1956 with Le Pays du sourire, marking the beginning of the official numbering of editions.
In 1960, the ATM (Arts, Théâtre, Monuments) association was founded to organize the festival and contribute to the restoration of the citadel, which had been damaged during the bombings of 1944. Since then, ATM has been responsible for the artistic programming and management of the citadel's cultural events with passion and high standards.
The Théâtre de la Citadelle, a 1,200-seat open-air theatre, offers remarkable acoustics and a breathtaking view of the Durance valley and the Baume mountain. Performances also take place in the Cloître Saint-Dominique, an intimate setting in the heart of the old town, and at the Cathédrale Notre-Dame des Pommiers, a jewel of Provençal Romanesque art, for sacred music concerts.
Every summer, Les Nuits de la Citadelle offers an eclectic program combining theatre, classical and contemporary music, opera, dance, jazz, and circus. The festival invites internationally renowned artists: symphony orchestras, virtuoso soloists, prestigious dance companies, theatre troupes, and circus artists. Evenings begin at 9:30 PM and continue under the stars of Haute-Provence, in a unique atmosphere where historical heritage and artistic creation meet.
Sisteron, nicknamed the "Pearl of Haute-Provence," is a gateway city between Dauphiné and Provence, guarding the Durance pass. The citadel, a listed Historic Monument, overlooks the town from its rock and is one of the finest examples of defensive architecture in Provence. The festival contributes to the cultural and tourist influence of the entire Alpes-de-Haute-Provence department and the Provence-Alpes-Côte d'Azur region.
The 35th edition of the Festival de Thau takes place in Mèze (Hérault) from July 17 to 23, 2026. A summer event dedicated to world music, the festival unfolds on the shores of the Thau lagoon, at the port of Mèze and at the Jardin antique méditerranéen.
Created in 1991, the Festival de Thau celebrates its 35th edition in 2026. For one week, from July 17 to 23, Mèze hosts a program of world music in an exceptional setting on the shores of the Thau lagoon.
The festival stands out for its eco-festival approach and takes place in several locations in the commune, including the port of Mèze and the Jardin antique méditerranéen.
The official program for the 71st edition will be announced in the spring of 2026. As every year, the festival will offer approximately seven major events spread between the Théâtre de la Citadelle and the Cloître Saint-Dominique, featuring theatre, classical music, dance, opera, jazz, and circus performances.
By car: Sisteron is located on the A51 motorway (Marseille – Gap), exit Sisteron Nord or Sisteron Sud. From Marseille, it takes about 1.5 hours, from Grenoble about 2 hours, from Aix-en-Provence about 1 hour 15 minutes.
By train: Sisteron station is served by TER Provence-Alpes-Côte d'Azur on the Marseille – Briançon line. Shuttles may be organized from the station to the citadel on performance evenings.
Access to the Citadel: The citadel is accessible on foot from the town center via a rising pedestrian path (about 10 minutes). Entry to the theatre is through the north gate of the citadel. Wear comfortable shoes.
Théâtre de la Citadelle:
Cloître Saint-Dominique:
Reduced rates: -25% for under 20s, students under 25, and job seekers (upon presentation of proof). -10% for groups of 10 or more.
Season tickets: -10% for 4 shows, -20% for 5 shows.
Ticket office opens in May. Book online on the official website (booking fee: +€1 per ticket), by phone at 04 92 61 06 00 (Monday-Friday 9 AM-12 PM and 2 PM-6 PM), by mail to ATM, 1 allée de Verdun, 04200 Sisteron, or on-site during the same hours.
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Citadelle de Sisteron - Théâtre de verdure
1 allée de Verdun, 04200 Sisteron