Arboretum de La Roche-Guyon
The Arboretum de La Roche-Guyon, also known as the Arboretum de La Roche, is an arboretum managed by the Office national des forêts. It is located in the regional forest north of La Roche-Guyon, Val-d'Oise, Île-de-France, France, and open daily without charge.
The arboretum was created in 1990 by the ONF. It symbolizes the geography of Île-de-France, and contains 1821 trees reflecting the region's municipalities. Each of region's départements is represented by a mass of trees: maples for the Essonne; limes and laurels for the Hauts-de-Seine; oak, dogwood, eucalyptus, blackberry, holly, and buckthorn for the Seine-et-Marne; beech for Yvelines, and so forth. Rivers are represented by strips of lawn.
