19–20 September 2026: the public weekend
The French government confirms Saturday 19 and Sunday 20 September for the 2026 Journées européennes du patrimoine. The 43rd edition is now past. Some school activities use separate dates; the public weekend should not be extended by treating a school programme as general admission.
The Ministry of Culture’s national event covers monuments, museums, gardens, institutions and places not normally easy to visit. Participation does not create a universal free ticket to every Champagne house. Each site publishes its own price, reservation requirement and allowed areas.
Choose a named Champagne site
Reims’s cathedral, former Abbey of Saint-Rémi and Palace of Tau are a 1991 UNESCO property. The Saint-Nicaise cellar sites belong to the separate 2015 Champagne inscription. In Épernay the Avenue de Champagne, Fort Chabrol and underground cellars form the Épernay group. A heritage-day listing should name the exact monument or house.
A normal house policy remains the starting point unless the site publishes a special opening. Pol Roger states it is not open to public visits; Billecart-Salmon uses accepted direct requests and limited visit days. No exceptional heritage-weekend access at either house was verified in this guide.

Travel and stays by the selected town
For Reims, direct Paris Est TGVs can take 46 minutes; for Épernay, SNCF Connect gives a fastest current journey of 1 hour 19 minutes. For Troyes, TER Grand Est advertises a direct Paris journey of 1 hour 29 minutes. Those route figures help select a town, but a timed heritage ticket still needs the chosen date’s train.
Troyes old-town accommodation includes La Maison de Rhodes and Le Champ des Oiseaux on rue Linard Gonthier. Épernay has Hôtel Jean Moët on rue Jean Moët and Le 25bis on avenue de Champagne. The accommodation guide supplies property links without presenting a national heritage weekend as a hotel package.
Reservations and accessibility
Use the Ministry of Culture programme and the individual site’s official booking link for any future edition. No 2027 public weekend, Champagne house programme or release date was verified in October 2026. Last year’s exceptional opening does not establish the following year’s availability.

Why the September opening days exist
France’s first Journée Portes Ouvertes dans les Monuments Historiques took place on 23 September 1984, initiated by Culture Minister Jack Lang. At the Council of Europe conference on 3 October 1985, he proposed extending the idea across Europe. The Council of Europe established European Heritage Days in 1991.
The French event adopted the name Journées nationales du patrimoine in 1992, followed by Journées européennes du patrimoine in 2000 under Catherine Tasca. The Culture Ministry records 34 participating countries in 1993 and 50 in 2010. This history accounts for the same September weekend opening doors in Champagne and many other European regions.
The ministry describes free admission as the founding principle for public monuments, with reduced admission at many private properties. It does not guarantee that every private cellar or special guided experience is free. For the completed 2026 weekend, follow the individual property’s reservation and tariff rather than treating the national event title as an admission ticket.
The Champagne UNESCO property is a separate designation
The Champagne Hillsides, Houses and Cellars joined UNESCO’s World Heritage List on 4 July 2015. Its three groupings are the historic hillsides, Saint-Nicaise hill in Reims, and Avenue de Champagne with Fort Chabrol in Épernay. The Reims cathedral, former Saint-Remi abbey and Tau Palace form a separate UNESCO property inscribed in 1991.
These designations help identify what a heritage itinerary is visiting; neither creates automatic admission during European Heritage Days. A listing for a cathedral, cellar or private house must still state its own access arrangements. In particular, a Reims property and an Épernay property require separate journeys, even when both describe a connection with Champagne heritage.
For a rail-based comparison, SNCF Connect lists Paris Est–Reims at a fastest 46 minutes and Paris Est–Épernay at a fastest one hour 19 minutes. Choose the town attached to the confirmed heritage reservation before buying the train. Reims Centre and Champagne-Ardenne TGV are different arrival stations, and the second lies outside central Reims.
Reserve the named September session
The government dates the 43rd European Heritage Days to 19–20 September 2026. A property booking should retain that dated session and its stated admission conditions. The weekend has now passed; its programme is useful as a record, while a future visit needs the newly announced edition.
Access and facilities
For an accessible visit, use the named venue’s current assistance and entry instructions. A heritage opening may include stairs, working cellars or temporary routes absent from the normal public visit. The national event page does not certify that every participating building offers the same facilities.
Mumm states that visitors with reduced mobility can access only the first cellar level and should notify the house when booking. Contact guides@mumm.com before purchasing if stairs or the full route would prevent participation. Minors need an accompanying adult, and animals are not admitted on the cellar visit. Those Mumm conditions should not be applied automatically to another heritage property.
Mumm advertised a Heritage Days 2026 visit lasting 90 minutes at €19, including one Champagne tasting, Maison Cordon Rouge and cellar sections normally restricted to the public. The visitor address is 34 rue du Champ de Mars, Reims. This was a dated special offer, distinct from the house’s normal Cordon Rouge visit.
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