34th Mineral and Fossil Exchange

10 a.m. to 6 p.m. Free entry The Montmagny Mineral and Fossil Exchange, the only event of its kind in the Val-d'Oise, will allow you to discover the treasures of the Earth! Organized by the association "la Géode de Montmagny", the event will be held on February 22 and 23. Exhibitors, please contact us for any stand request. A team of enthusiasts is at your disposal for more information. Follow our club on facebook!