Thuja plicata (western redcedar): a single tree with 80 trunks covering an area of 1000 sqm. European beech with highly twisted branches. European beech with highly twisted branches. Mansion built in the 19th century by the founder of the arboretum. Mansion built in the 19th century by the founder of the arboretum. Forest management school. AnetArgenton-sur-Creuse Labels