Its origin is due to the upward migration of the inhabitants of that plan, put to the test by the repeated barbarian invasions, gradually they settled among the woods of the surrounding hills to escape the massacres and to protect flocks and herds (VI-IX sec.) In the X-XI (period of battlements) the castrum not only will be the successor of the “domus civilized people”, but will take on new structures that will then be the starting point of the whole building socio-political-economic local.
Rosora is a name of Latin formation because it indicates the physical and structural characteristics of the land on which the country. In fact, for the color of the tuff it is reasonable to think that in Rosora compound term from the Latin roseus, um (pink) and sostantivorus, ruris (ground).
Castle are only a few parts of the walls with original Old Gate and a tower dating from the thirteenth or fifteenth century.
Parish Church of St. Michael the Archangel (eighteenth century) built on an existing church is preserved a beautiful wooden crucifix ‘600 considered miraculous, as well as paintings of altar and the relics of the Roman martyr Agapito.