Impero (river)


The Impero is a stream of Liguria.

Geography

The Impero rises near Monte Grande, crosses the comunes of Aurigo, Borgomaro, Lucinasco, Chiusavecchia, Chiusanico and Pontedassio, giving its name to its valley, and ends in the Ligurian Sea in Oneglia.
Impero basin is totally included in the Province of Imperia and also encompasses the communes of Cesio and Caravonica.

Main tributaries

Upper valley

Upstream of the village of San Lazzaro Reale the Impero receives the following tributaries:
The Tresenda is the main tributary of the Impero; it rises with the name of rio Caravonica from monte Mucchio di Pietre and gets from its right bank Rio Bramoso and Rio Acquafredda. Its drainage basin is of 13.3 square kilometres.

Lower valley

Downstream San Lazzaro Reale, where it gets Tresenda waters, the Impero receives the following streams:
The Impero is not considered very interesting for fishing; upstream of Borgomaro trout coexist with cyprinids, while downstream the latter totally outnumber other fishes.