See all the pictures Précédent Suivant Arboretum Marcel Kroenlein – Entrée An arboretum unique in Europe for its altitude, the Marcel Kroenlein site nestles in Roure, a village in the Tinée valley at the heart of the Mercantour National Park, just ninety minutes from Nice. In this timeless place, an original approach was initiated: to protect, welcome and preserve for future generations all the rare or endangered species of the world's mountains. Its plant collections are unique: conifers, junipers, maples, housele trees, old fruit trees and the heritage of botanical roses... Read More Text... Close Included with the French Riviera Pass Free access Buy my pass Opening periods All year round, daily between 10 am and 6 pm except on Easter Monday and December 25th. Closed if the snow is too abundant. Accepted payment methods Bank checks Cash Pricing Free of charge. On presentation of FRP card. Accueil des animaux Pets welcome On the map Activities available within a 2km radius I go there