Adult groups and tourism professionals

Rates

2026 Rates

  • Self-guided tour for adult groups: €5.50 per person (from 20 paying adults).
  • Adult group lecture tour "A megalithic epic": fixed price of €250 + €5.50 per person (up to 50 paying adults). Supplements may apply for certain languages.
  • Megalithic escapade (guided tour of the Grand Cairn and the Alignements of Carnac): fixed price of €440 + €5 per person (up to 50 people), supplement possible for certain languages.

Discover the 2026 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 megalith 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.

Pro ticketing

Buy your tickets in advance and benefit from numerous advantages: discounts, priority access...

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Resources

  • Grand Cairn de Barnenez fact sheet - eng

    PDF (567.88 kB)

    Download

To go further

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!

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Contacts