Mount Barbaro or Mount Gauro in Italy Monte Barbaro or Monte Gauro, is one of the eruptive vents of the Phlegraean Fields, a volcanic field of Italy located in Campania.

[2] Its structure consists of layers of ash either parallel or overlapping them, including lenticular masses of pumice[2] agglomerated.

[2] Its rim is the highest in the south and rises to 331 metres (1,086 ft).

[2] The Battle of Mount Gaurus was fought in 342 BC at the foot of the mountain during First Samnite War.

The ancient Romans, led by Marcus Valerius Corvus, defeated the Samnites.