Cairn of Petit Mont ARZON View slideshow Share on Facebook Share on Twitter Home » detail » Cairn of Petit Mont Mégalithe Want to travel back in time since prehistoric times? A stone's throw from the Port of Crouesty, the Cairn of Petit Mont is a megalithic site over 6,000 years old, offering an exceptional panorama of the ocean and the surrounding vegetation. Witness to prehistory, also antiquity and the Second World War, the Petit Mont cairn is rich in history ... Guided tours and educational workshops are offered to discover and experience these stories. Young and old alike learn to excavate like “apprentice archaeologists”, to make musical whistles, pottery, ornaments ... in a “Neolithic” way ... The site also regularly offers events: storytelling evenings, workshops on the Port of Crouesty, National Archeology Days, European Heritage Days, Science Day ... Finally, the Pointe du Petit Mont is a magnificent spot for hiking, discovering the local flora and fauna ... In short, what you can organize a beautiful day of discovery of an incredible heritage, natural and cultural! Good to know: Sea connections between Port Navalo (Arzon) and Larmor-Baden are available in summer to combine a visit to the Petit Mont cairn with that of the Gavrinis cairn. A new reception building – a museum space – welcomes you to discover the Petit Mont Cairn through: exhibitions, activities, workshops... for all ages and all interests. Furthermore, the Petit Mont Cairn is now also open in the mornings (during its opening periods) and during the Christmas holidays. Opening : From April to September, winter and All Saints holidays (by reservation outside these periods). More information on cairndepetitmont.com or on 02 97 53 74 03. Read more Close Pricing Means of payment Credit Card Postal checks Holiday vouchers Cash Features Languages spoken Schemes Services/equipment services Restauration rapide equipement Parking confort Wifi autres Mégalithe Avec les enfants Par temps de pluie Opening periods From 07 February 2026 to 08 March 2026 From 04 April 2026 to 30 September 2026 From 17 October 2026 to 01 November 2026 You'll also like Cairn of Gavrinis A prehistoric gem on an island in the heart of…