In ancient times, Vignacourt was completely wooded. The Celtic forest extended from Paris to Belgium. Deforestation began with the exploitation of this fertile land.
At the end of the 16th century, the forest occupying close 400 hectares. After decades of deforestation in Picardy, the trend was reversed with increasing one-third of its surface in one century, despite the two successive wars.
There was a significant human activity for our ancestors, the wood was used for construction, firewood and for making furniture, but it also served for animals feed. In addition, people came also regularly harvest fruits and berries.
There are two main types of trees in northern France: conifers and broad-leaved, and several species: ash, beech, cherry, sycamore and poplar whose Picardy is the first producing region.