It is one of the favourite stopping points in the long spring migration from Africa to Central Eastern Europe on the Tyrrhenian route.

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

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

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

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

With a surface of just over a square kilometer, the enchanting Lake of Letino was created at the beginning of the twentieth century in order to feed the hydroelectric power station of Prata Sannita.