The Arboretum de Matton-Clémency (1 hectare) is an arboretum located in Matton-et-Clémency, Ardennes, Champagne-Ardenne, France. The arboretum was created by volunteers, and now contains 150 species of trees, as well as a pergola, waterwheel, and pond with bridge. It is open daily without charge.
References
Arboretum de Matton-Clémency Wikipedia(Text) CC BY-SA