The Portuguese oak grove of Torlengua Nature · Torlengua, Las Vicarías, Soria Image of Torlengua, not of the place itself. Some 1,039 hectares of the municipal district, a quarter of its surface, are included in the Natura 2000 Network for their mass of Portuguese oak, the tree that best withstands the continental cold and the poor soils of these heights. Photo: Own work (Public domain) What to see and do in Torlengua