A river in northern Italy, a right affluence of the Po River. Its source is at the Alpe di Succiso, in the northern Apennines (Tuscan-Emilian Apennines), at 1,406 m. The Enza is the current boundary of the provinces of Parma and Reggio Emilia.
After the source, at 1,157 it forms the Paduli or Lagastrello artificial lake, and flows for 93 km in the aforementioned provinces. In its trait in the Pianura Padana it becomes wider, and flows into the Po near Brescello.
In ancient times it was known by its Latin name Incia.