Heritage Days in Yonne

Official Ministry of Culture program for the Yonne department: 163 sites and 195 events on Saturday, September 19th and Sunday, September 20th, 2026 (count as of August 16, 2026). The vast majority of events are free. Thirteen sites open on Friday, September 18th for the "Look Up!" school initiative.

Auxerre

• Sat 2pm-6pm · Sun 10am-12:30pm and 2pm-6pm — Yonne Departmental Archives: "Behind the Scenes: The Archives" (guided tour)
• Sat 2pm-6pm · Sun 10am-12:30pm and 2pm-6pm — Departmental Archives: "Challenges of Time: Preservation" exhibition
• Sat 2pm-6pm · Sun 10am-12:30pm and 2pm-6pm — Departmental Archives: "Archives in Comics: From Representation to Reality" exhibition
• Sat 2pm-6pm · Sun 10am-12:30pm and 2pm-6pm — Departmental Archives: Discovery of the Prison Tower (self-guided)
• Sat and Sun 10am-6pm — Natural History Museum: "Protecting the Museum's Heritage" (workshop)
• Sat and Sun 10am-6pm — Natural History Museum: Restoration demonstration
• Sat and Sun 10am-6pm — Natural History Museum: "The Ocean Seen from Space" outdoor exhibition
• Sat and Sun 10am-11:30am and 2pm-5:30pm — Natural History Museum: "Soundscape" (workshop)
• Sat 3pm and 4:30pm — Natural History Museum: "Paul Bert, the Scientist from Auxerre," guided tour by reservation
• Sat and Sun, 45-min slots at 9am, 10am, 11am, 2pm, 3pm, 4pm and 5pm — Discovery of an SNCF Réseau signal box in Laroche-Migennes, location indicated in the program: 6 rue Paul-Doumer in Auxerre · by reservation

Sens

• Sat slots at 9am, 10am, 11:15am, 2pm, 3pm, 4:30pm and 5:30pm · Sun 2pm, 3pm, 4:30pm and 5:30pm — Saint-Étienne Cathedral Tower
• Sun 5pm-5:30pm — Saint-Étienne Cathedral Grand Organ
• Sat and Sun 9:30am, 10:30am and 11:30am (30 min) — Palais synodal: "The Dungeons Revealed," guided tours
• Sat and Sun 9:30am, 10:30am and 11:30am (30 min) — Sens Museum: Cabinet of curiosities, guided tours
• Sat 10am, 11:30am, 2pm, 4pm and 8:30pm · Sun 10am, 11:30am, 2pm and 4pm (30 min) — Sens Town Hall
• Sat 10:30am and 3pm · Sun 2pm (30 min) — Judicial Court, guided tours
• Sat 11am and 4pm (30 min) — Municipal Theater
• Sat 9:30am-12:30pm and 2:30pm-4pm — Espace Jean-Christophe-Rufin Library: guided tours, lecture, and exhibition at the municipal archives
• Sat and Sun 10am-7pm — L'Atelier de la Maison penchée: engraving workshops
• Sat 2pm and 8:30pm · Sun 3pm (30 min) — Sens Cemetery
• Sat 2pm and 4pm · Sun 2:30pm (30 min) — Orangerie Gardens
• Sat and Sun 8am-8:30pm — Moulin à Tan Park (collection greenhouses open 1:30pm-5pm)
• Sat and Sun 8:30am-9pm — Square Jean-Cousin
• Sat and Sun 2pm-5pm — Saint-Savinien Basilica
• Sat and Sun 2pm-6pm — Saint-Pregts Church
• Sat 10am-5pm — Protestant Temple
• Sun 10am-10:30am — Carrefour Maillot
• Sun 6pm-6:30pm — Bandstand: closing concert by the SOS Patrimoine oublié association and the Grand Sénonais Concert Band

Tonnerre

• Sat and Sun 8am-8pm — Fosse Dionne, self-guided
• Sat and Sun 8am-8pm — Pâtis Park and Baptiste bandstand
• Sat and Sun 8am-8pm — Espace Bouchez: exhibition at Square Anne-Sylvestre
• Sat and Sun 10am-5pm — Espace Marland: "Water Seen by Artists" exhibition
• Sat and Sun 10am-6pm — Saint-Pierre Church
• Sat and Sun 10am-6pm — Maison de Pierrot, museum dedicated to the memory of resistance fighters
• Sat and Sun 11am-4:30pm — Hôtel-Dieu: Great Hall of the Sick, tomb of Marguerite de Bourgogne, mausoleum of the Marquis de Louvois, Entombment, gnomon, and museum · special rate
• Sat 11am-6pm · Sun 2pm-6pm — Café des Glaces
• Sat and Sun 10am-1pm and 3pm-6pm — "La maison d'en face" · by reservation
• Sat 1pm-4pm — Unusual tour of Tonnerre · by reservation

Avallon

• Sat 11am, 2pm, 4pm and 6pm · Sun 9am, 11am, 2pm, 4pm and 6pm (1 hr) — Saint-Martin du Bourg Abbey: "The Abbey, Memory of the Centuries," guided tour · €5 · by reservation
• Sat 11am and 2:30pm · Sun 2:30pm (1 hr) — Guided walks of Avallon, departing from the Grand Vézelay Tourist Office
• Sat and Sun 10am-6pm — Tour Beurdelaine, open house

Vézelay

• Sat 2:30pm-7pm — Cordelle Chapel: guided tour of the Franciscan hermitage
• Fri 18, Sat and Sun 10am-6pm — Maison Jules-Roy: "Writings" and "Walking Towards the Light" by KOVIDER exhibitions
• Fri 18, Sat and Sun 10am-6:30pm — Gothic Hall: "Secret Garden, Sacred Garden," wood sculpture
• Sat and Sun 10:30am-11:30am — Departmental Museum of Modern Art, Zervos Collection: thematic tour around the 2026 "Modernity and Archaism" exhibition
• Sat and Sun 2pm-5pm — Zervos Museum: family workshop "The Garden of Tomorrow"

Chablis

• Sat and Sun 10am-6pm — Cité des Climats et vins de Bourgogne: multi-sensory tour, two glasses of Burgundy wine or grape juice included, activity booklet for children · special rate · by reservation
• Sun 11am and 3pm (45 min) — Cité des Climats: guided tour of the route
• Sat and Sun 11am-4pm — Cité des Climats: picnic atmosphere and game bar
• Sat 9am and 7pm · Sun 2pm and 6:30pm (30 min) — Saint-Martin Collegiate Church and its neo-Gothic spire
• Sat and Sun 9:30am-5:30pm — Le Kimméridgien: discovery of the polycultural site
• Sat and Sun 2:30pm-4pm and 4:30pm-6pm — "Unusual Chablis: Vestiges of the Hundred Years' War," departing from the tourist office

Villeneuve-sur-Yonne

• Sat and Sun 3pm-6pm — Exceptional reopening of La Grange Lucassite
• Sat and Sun 2pm-6pm — Joseph-Joubert House, 8 bis rue de l'Échiquier · by reservation
• Sat and Sun 2:30pm-6pm — "Les Relais" House: guided tour on the celebrities of the Relais
• Sat and Sun 10am-6pm — Carnot Museum-Gallery: lecture and book signing by François Nivet on the forgotten minister of Louis XVI
• Sat and Sun 10am-6pm — Carnot Museum-Gallery: book signing by François Canard of "Mise sous pli: Ravel, Matisse, Pupitres"
• Sat and Sun 10am-6pm — Sens Gate: "Artists' Paths, the In" exhibition
• Fri 18, Sat and Sun 10am-12pm and 2pm-5pm — Rue du Puits-d'Amour wash house: "Art-borigène" exhibition by Anne Carlier, in the presence of the artist
• Sat and Sun 10:15am-12pm and 2pm-4:45pm — Nautical stop: visit to the boat Le Davia, Dunkirk Little Ship · by reservation

Thury

• Sat and Sun 2pm-6pm — Thury Forge: discovery and operation
• Sat and Sun 2pm-6pm — Thury Wine Press, rue de la Porte-d'Auxerre: operating demonstration
• Sat and Sun 2pm-6pm — Bread Oven, rue de la Gerbaude: baking and buttered bread
• Sat and Sun 2pm-6pm — Thury Wash House
• Sat and Sun 2pm-6pm — Municipal Aquarium Hall: exhibition of ancient flags and period engravings
• Sat 2pm-6pm · Sun 2pm-2:30pm — Thury Library: ancient collection
• Sat 3pm-4:30pm — Guided tour of the village, departing from Saint-Julien Church
• Sun 3pm-4pm — Guided tour of Saint-Julien Church

Migennes

• Sat 10am-6pm · Sun 10am-5pm — Laroche-Migennes railway roundhouse and its historic locomotives
• Sat 9am-6pm · Sun 9am-5pm — Laroche-Migennes Station: railway exhibition of the Roundhouse
• Sat 10am-6pm · Sun 10am-5pm — Laroche-Migennes Station: historic railway equipment presented by the ARCET and AFCL associations

Saint-Julien-du-Sault

• Sat and Sun 10am-6pm — Vauguillain Chapel, self-guided
• Sat and Sun 10am-6pm — Former Saint-Pierre Collegiate Church, self-guided
• Sat and Sun 10am-6pm — Saint-Julien-du-Sault Wash House
• Sat and Sun 10am-12pm and 2pm-6pm — Philippe-Makédonsky Cultural Heritage Museum

Elsewhere in the Yonne, by commune

• Ancy-le-Franc — Tour of the château cellars, Sat and Sun 10am-6pm, by reservation, 15 people per slot · €10 adult, €5 child, free under 6. "Matrimony comes to Ancy le Franc," château esplanade, Sun 9:30am-12pm
• Appoigny — Municipal Library: lecture "Mysterious Saint-Martin Stone," Fri 18 at 6pm
• Arcy-sur-Cure — Saint-Roch du Beugnon Chapel, Sat and Sun 10am-12pm and 2pm-6pm
• Argentenay — Forest of the Green Giants, hiking trail, Sat and Sun 8am-8pm
• Beine — Vine and Corkscrew Museum, Sat and Sun 10am-12pm and 2pm-5:30pm
• Bléneau — Library: exhibition "Bléneau, discovering the paths of local personalities," Sat 9am-12:30pm and 2pm-5pm, Sun 3pm-5pm; lecture "The Fronde: account of the Battle of Bléneau (April 7, 1652)," Sat 5pm
• Brienon-sur-Armançon — Organ of the Saint-Loup Collegiate Church, Sat and Sun 2pm-6pm; Théâtre Perché, guided tour, Sat 2pm-5pm and Sun 10am-12pm and 2pm-5pm; media library, exhibitions "The Spirit of the Enlightenment, freeing oneself," "Captives," and city map in 1780, Sat 9:30am-12pm and 2pm-5pm, Sun 2pm-5pm
• Brosses — Wood-fired oven bakery, Vagabonde - well-raised bread, Sun 9am-11am
• Carisey — Notre-Dame-et-Saint-Vincent Church, Sat and Sun 10am-12:30pm and 2:30pm-6pm; wash house-trough, 10:30am-12:30pm and 2:30pm-6pm; village discovery circuit departing from the village hall, 10:30am-12pm and 2:30pm-4pm
• Chassignelles — Saint-Jean-Baptiste Church, guided tours, Sat 4pm-6pm and Sun 4pm-5:30pm
• Chaumot — Church: Duo Maclet-Hadjiev (violin, cello), "World Tour," Sat 2pm
• Chigy — Water pumping station, Sun 10am-1pm and 2pm-5pm
• Collan — Wash house, rue du Pressoir, Sat and Sun 10am-6pm
• Commissey — Saint-Rémi Church, Sat 10am-6pm, Sun 10am-5pm
• Courgis — Notre-Dame-de-l'Assomption Church and wash house, Sat and Sun 10am-12pm and 2pm-4pm
• Cravant — Cravant Keep, guided tour, Fri 18 2pm-6pm, Sat and Sun 10am-12pm and 2pm-6pm
• Cruzy-le-Châtel — Château de Maulnes, Sat and Sun 10am-6pm
• Cry — Saint-Julien Church, visit and exhibition, Sat and Sun 10am-12pm and 2pm-7pm
• Dannemoine — La Scierie, village of arts and crafts, Sat and Sun 10am-5pm; Notre-Dame-de-l'Assomption Church, 10am-5pm; wash house and upper press, 10am-6pm
• Deux Rivières (Accolay and Cravant) — Saint-Pierre-Saint-Paul Church of Cravant, self-guided and guided tour, Sat 10am-6pm and night tour 9pm-11pm, Sun 10am-6pm; hike in the Accolay meurgers and dry stone winegrower huts, departing from the Nivernais Canal nautical stop, Sat and Sun 9am-11:30am; pottery market of the Terres d'Accolay association along the canal, Sun 10am-6pm
• Domats — Wash house: Duo Maclet-Hadjiev, "World Tour," Sat 4pm
• Dracy — Château de Dracy-sur-Ouanne, guided tours of the exteriors, Sun 10am-5pm
• Escolives-Sainte-Camille — Villa Scoliva archaeological site, exhibition, Fri 18, Sat and Sun 10am-12pm and 2pm-6pm; Saint-Pierre-et-Saint-Paul Church, Sat and Sun 3pm-7pm
• Étivey — Church: photography exhibition by Seb Guyomard, Fri 18, Sat and Sun 10am-6pm; "Strolls in the streets according to old postcards," Fri 18, Sat and Sun 8am-8pm
• Flogny-la-Chapelle — Old farms of La Chapelle Vieille Forêt, discovery tour, Sun 10am-5pm
• Fontenoy — Battle of Fontenoy Museum: "In the footsteps of Charlemagne's grandsons," narrated hike of about 8 km, Sat 3pm-7pm · €2 for the hike, reduced rate for the museum
• Gigny — Wash house and water installation, self-guided, Sun 10am-6pm
• Grandchamp — Village: "Ballad between memory and creation" and exhibition "Here and now," Sat and Sun 10am-6pm; cyanotype initiation, Sat 1pm-4pm; portrait workshop, Sun 2:30pm-5:30pm
• Joigny — Salle Claude-Debussy: closing concert of the Artists' Paths by pianist Jean-Pierre Ferey, program dedicated to the forest, Fri 18 at 8pm · €15, €5 under 12, 200 seats, by reservation
• L'Isle-sur-Serein — Saint-Martin Church and Dargeot wash house, guided tours, Sat and Sun 10am-5pm; guided tour of the village, Sat 3pm and Sun 11am
• Les Clérimois — Saint-Léonard Chapel: "Les Clérimois, from hamlet to village," Sun 10am-6pm
• Lézinnes — Saint-Étienne Church, Sat and Sun 8am-8pm
• Mailly-la-Ville — Avigny Chapel and its exhibition on honey and bees, Sat and Sun 2pm-6pm; Saint-Adrien Church, 2pm-6pm
• Mailly-le-Château — Exhibition at the community hall, Sat 9:30am-1pm and 2pm-6:30pm, Sun 10am-12pm and 2pm-5pm; memorial trail "The lighthouse keeper's imaginary tour," departing from the town hall square, Sat 7pm; Bois du Parc National Nature Reserve, "Heritage in danger," departing from the Quatre Pieux parking lot, Sun 2pm-4:30pm, by reservation
• Mélisey — Saint-Aventin Church, Sun 10am-12pm and 2pm-6pm
• Migé — Migé Mill, the only windmill in Burgundy still in operation, guided tour, Sat 2pm-6pm, Sun 10am-12:30pm and 2pm-6pm
• Milly — Château de Milly, guided tours, Sat and Sun 9am, 10:30am, 2pm and 3:30pm (1 hr 20 min)
• Montacher-Villegardin — Church: Duo Maclet-Hadjiev, "World Tour," Sat 6pm
• Montholon — Sainte-Anne d'Aillant-sur-Tholon hermitage chapel, self-guided or guided, Sat 2pm-6pm, Sun 10am-12pm and 2pm-6pm
• Noyers — Museum of Naïve and Popular Arts, self-guided, Fri 18, Sat and Sun 11am-12:30pm and 2pm-6pm
• Nuits-sur-Armançon — Château de Nuits, Renaissance château on the Armançon, guided tours, Fri 18 11am-6pm, Sat and Sun 10:30am-7pm · €7, €3 under 15
• Pimelles — Pimelles Manor, 16th-century fortified house, guided tour with screening of the renovation film, Sat and Sun 10am-1:30pm and 2pm-7pm, departures every 30 min
• Pontigny — Pontigny Abbey, tour accompanied by a mediator, Sat and Sun 10am-5:30pm, by reservation · self-guided €10, reduced €8, 7-12 years €6; guided tour €15, reduced €11, 7-12 years €6, free under 7
• Pourrain — Domaine de l'Ocrerie: "Ange Zéro" exhibition, Sat and Sun 2:30pm-6:30pm
• Préhy — Notre-Dame Church, Sat and Sun 8am-6pm
• Rogny-les-Sept-Écluses — Cultural Space: exhibitions "Companion of the Rognycois duty: Marien Dange" and "Rogny seen from the Sky," Sat and Sun 10am-12pm and 2pm-6pm; hike on the alleys of Rogny, Sat 2:30pm-4:30pm
• Rouvray — Saint-Georges Church, guided tour, Sat and Sun 2pm-5pm
• Sainpuits — Sainte-Madeleine Church: Palestrina concert conducted by Joël Haddad, for the benefit of the restoration of the Notre-Dame-de-Lorette chapel, Sun 3pm-5:30pm · €12, free under 10
• Saint-Agnan — Church: Duo Maclet-Hadjiev, "World Tour," Sun 11am
• Saint-Denis-lès-Sens — Sainte-Colombe Chapel, Sat and Sun 2pm-6pm
• Saint-Florentin — Saint-André d'Avrolles Church, place des Justes, Sun 10am-6pm
• Saint-Martin-du-Tertre — Church: lecture "The past of Saint-Martin-du-Tertre from Prehistory to the Middle Ages," Sun 5pm
• Saint-Maurice-Thizouaille — Château de Saint-Maurice, guided tour, Sun 2pm-6pm
• Saint-Sauveur-en-Puisaye — Sarrasine Tower, guided tours of the restored tower, Sat 2pm-6pm
• Saint-Vinnemer — Saint-Vilmer Church, Sat 10am-6pm, Sun 10am-5pm; L'Echo des Champs, 3 grande rue, Sat 3pm-9pm
• Savigny-sur-Clairis — Wash house: Duo Maclet-Hadjiev, "World Tour," Sun 2:30pm
• Seignelay — Guided tour of the village's heritage and history, departing from under the Halles, Sat 10am-12pm and 2pm-4pm
• Sennevoy-le-Bas — Saint-Pierre-Saint-Paul Church, Sun 10am-1pm and 3pm-6pm
• Serrigny — Château de Serrigny, guided tour, Sat and Sun 10am-3pm
• Tanlay — Château de Tanlay, guided tours, Sat and Sun 10am-6:30pm, groups limited to 30 people · €6, free under 15; Saint-Hubert Chapel and Saint-Sylvestre Church, Sat 10am-6pm and Sun 10am-5pm; "Stroll along the water" departing from the wash house, Sat 2:30pm-4pm
• Treigny — Château de Ratilly: dovecote, attics, kitchen, stoneware workshop with demonstrations and contemporary art exhibition, Sat and Sun 10am-6pm, guided tour at 3pm · €5, free under 18; Treigny Convent, "Us" exhibition, Fri 18, Sat and Sun 2pm-7pm, and ceramic workshops Sat and Sun 3pm-5pm
• Treigny-Perreuse-Sainte-Colombe — Bailli House and inscription tower house, guided tour, Sat and Sun 2pm and 3:15pm, groups of 10 people · special rate
• Turny — Village hall: lecture "Water, a precious heritage to preserve," Fri 18 at 6:30pm; "The forest, management, evolution and preservation," Sat 3pm-5pm; screening-debate "Paths of earth and water, organic naturally," Sat 6:30pm
• Vaudeurs — Sainte-Marie-Madeleine Church: photography exhibition "Heritage in peril!," Sun 10am-6pm
• Vault-de-Lugny — Guided tour of the church, Sat 3pm; guided tour of its wall paintings, Sun 3pm
• Venouse — Beauvais Barn, Sat and Sun 10am-6pm
• Venoy — Saint-Maurice Church, 30-min guided tours, Sat 10am-12pm and 2pm-6pm, Sun 2pm-6pm
• Vermenton — Notre-Dame Church, Sat 10am-12pm and 2pm-6pm
• Vernoy — Drinking water treatment plant and reservoir, Sat 9:30am, 10:30am and 11:30am (50 min), by reservation
• Vézinnes — Saint-Nicolas Church, Sun 10am-6pm
• Villebougis — "From one monument to another," circuit departing from the town hall, Sat 2:30pm-4pm
• Villeneuve-la-Dondagre — Church: Duo Maclet-Hadjiev, "World Tour," Sun 4pm
• Villiers-les-Hauts — Saint-Maurice Church, Sat and Sun 9am-7pm
• Villon — Nativity of Our Lady Church, Sat and Sun 10am-6pm
• Vincelles — Château de Vincelles, guided tour of the interiors, Sat 10am-6pm
• Vincelottes — Saint-Martin Parish Church, Sat 2pm-5pm, Sun 11am-4pm
• Yrouerre — Saint-Nicolas Church and former château orangery, guided tours, Sat and Sun 2pm-6pm

Details by site, reservation conditions, and last-minute updates are available on the official portal: journeesdupatrimoine.culture.gouv.fr/programme.