It rises from Lake Matese and in the first part of its way, it is characterised by cascades and differences in heights.

For the ancients, it was the river of the myth, which gave forgetfulness to whoever drunk its water.

Once known as Lake of Carinola, it is a volcanic lake at the foot of mount Massico, in the municipality of Falciano del Massico.

The peak of Mount Miletto is reflecting in its placid waters where they come from.

It rises at the foot of Mounts Trebulani, at 86 meters above sea level, in the territory of Calvi Risorta.

For the ancient Italic peoples it was a sacred river. On the shores, they erected sanctuaries such as the Demetra and Teano one.