Fumone is a comune in the Province of Frosinone in the Italian region of Lazio, located about 70 kilometres southeast of Rome and about 12 …Fumone is a comune in the Province of Frosinone in the Italian region of Lazio, located about 70 kilometres southeast of Rome and about 12 kilometres northwest of Frosinone. The town is on an isolated conical hill upon the Sacco Valley. It borders with the municipalities of Alatri, Anagni, Ferentino, and Trivigliano.