Ulldecona is in the south of Catalonia, in the region of the Montsià and close to the river Sénia. The Ulldecona municipality (126,8km ²) it has the largest number of Millenary Olive Trees in the world,1.379. Though there are some specimens also in the flat area, the great majority they are located in the hillsides of the saws of Montsià and of Godall.
In the Arión, near the neighborhood of the Miliana, there is one of the major concentrations of these olive trees and by it an agreement was signed between the family Porta i Ferré (of the Galera, where they have an own mill in which they elaborate oils) and Ulldecona's town hall, which one entrusts and organizes all the tourist visits. Later, with the participation of the union Taula del Sénia and other institutions, was put up signs and conditioned a space to realize guided tours.
Though in the set of the estate there are many specimens, in the zone "el fondo del Arion" in only 1,3 hectares there are 35 millenary olive trees and some of them are very special. There are guided tours for some days of the week, but they can be requested other days and even more packaging with other activities (Contact the Tourist Office for booking purposes).
The guided walking tour for everyone begins in the parking area, which can also be in different languages, explaining the history of the estate and the name of Arión and aspects of the surroundings, the landscape and the environment.
Though there are diverse very typical and photogenic specimens: "el de los novios", "el del pozo", the great attraction is at the end of the visit and is the Farga of the Arión that, it is the biggest olive tree of Catalonia, which received the prize AEMO (the Spanish Association of Olive Producing Municipalities)to the best monumental olive tree of Spain in 2006. This one was planted in 314 AD.
At the end of the tour there is an olive oil tasting. There are available packs that combine the tour with lunch in one of the restaurants with a Michelin Star.