Adult groups and tourism professionals

Prices 2025

• Adult group conference tour "From Stone to Monument" : fixed price of €200 + €5 per person (up to 50 people)Possible supplements for certain languages
• Passion Mégalithes (guided tour of the Alignments and the Site of the megaliths of Locmariaquer): fixed price of €440 + €5 per person (up to 50 people)Possible supplement for certain languages
• Megalithic escapade (guided tour of the Alignments and the Grand Cairn of Barnenez): fixed price of €440 + €5 per person (up to 50 people)Possible supplement for certain languages
• External guide package (visit of the Alignments with your own guide): 200€ (up to 30 people)

Discover the 2025 prices for all the sites of the Centre des monuments nationaux and the advantages of advance ticketing.

New tour for adult groups: "The 3 wonders of the Neolithic".

A tour of Brittany to discover 3 Neolithic sites: the Grand Cairn at Barnenez, a thousand-year-old colossus overlooking the Bay of Morlaix; the Locmariaquer megalithic site and its famous Table des Marchands; and the astonishing Alignements at Carnac. Price: €600 + €12 per person (up to 50 people) - supplement possible for certain languages.

Mont-Saint-Michel Abbey, Angers Castle, Pantheon, Carcassonne Castle and Ramparts... If you would like to find out about other sites in the Centre des monuments nationaux network and the offers available to you, follow the link below!

To find out more