Olona

The Olona Nerviano

The Olona is a 131 km long tributary of the Po, in the Lombardy region in Italy, and flows through Milan. It rises in the district Rasa Varese in Varese in the regional Parco Campo dei Fiori. The Olona flows through the Valle Olona in the Po Valley. The river is famous for the Valganna waterfalls and caves of the same (45 ° 51 ' 20 " N, 8 ° 49' 23" O45.8555328.823093 ). The Olona is one of the most polluted rivers in Italy. She has a mean discharge of 14 m³ / s

Tributaries

The Olona has 39 tributaries. The most important are the Lura, the Bevera, the Gaggiolo that Bozzente that Vellone, the Rile, the tenor, the Merlate that Mussa, the Quadronna that Selvagna and Fredda.