It is mentioned in ancient papers such as Oramola, curte de Oremale, Rocha de Oremala or curtis and rocae de Oramala and, of the castle, reference is made in the Breviarium of the possessions of the abbey of Bobbio in the century. X. [1]
With the gradual fiefdom of the obertenga family starting from 1029, first as level holders of the monastery and then with a lease and freeing contract, half of the court and castle remained with the monastery with the rights and tithes due. It was inherited in the 12th century by the obertengo branch of the Malaspina family. After a passage, in 1157, in the hands of the marquises D'Este and in 1161 of the bishop of Tortona, it returns, in 1164, thanks to Federico Barbarossa to Obizzo I.
Towards the end of the twelfth century, with the fortunes of the Malaspina, it sees its moment of greatest splendor, it becomes a center of cultural diffusion hosting Provençal troubadours.
In 1474 the fortress was fortified by Manfredi Malaspina, to adapt it to the new defensive needs due to the entry into use of artillery. Out of the flow of history, the fortress remained with the Malaspina family until the end of the 18th century, when the marquises of Oramala, moving downstream, decreed its decline; abandoned, it began to fall into disrepair.
In 1985 the Panigazzi brothers bought the castle and began the renovation and restoration of the collapsed parts.
In 2005 the Museum of peasant art and iron tools was opened to the public.
From 2008 to 2018 the castle was the seat of the Spinofiorito Social Promotion Association and is surrounded by the Literary Park "Dante and the Troubadours in the lands of the Malaspina".