Aritzo, in the Middle Ages belong to the Giudicato of Arborea and later it passed to the Marchesato of Oristano under the Aragonese and Spanish governments, but its history sinks the roots in the neolithic age, as testify the domus de janas of Forros and the some graves of giants.
In its surroundings rise the “Tacco di Texile” a rock of limestone of dolomitic type that has been formed in Mesozoic Age, approximately 150 million years ago, like all the other heels and characteristic of this zone. When the sea has receded leaving large sediments of limestone that then were raised, took shape these characteristic natural monuments.
It is found over a hill, 4 km. south-west of Aritzo, has an unmistakable shape, similar to an enormous fungus, high 975 m. and all around is encircled from a dense vegetation.