Olona
| Olona | ||
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| Data | ||
| location | Lombardy , Italy | |
| River system | Po | |
| Drain over | Po → Adriatic Sea | |
| source | Rasa di Varese , Varese Province | |
| Source height | 548 m slm | |
| muzzle | At San Zenone al Po in the Po coordinates: 45 ° 6 '10 " N , 9 ° 22' 37" E 45 ° 6 '10 " N , 9 ° 22' 37" E
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| length | 131 km | |
| Catchment area | 1038 km² | |
| Drain |
MQ |
14 m³ / s |
| Left tributaries | Gaggiolo | |
| Big cities | Milan | |
 The Olona in Nerviano |
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The Olona is a 131 km long tributary of the Po in Lombardy in Italy and flows through Milan . It rises in the district of Rasa di Varese in Varese in the Parco regional Campo dei Fiori . The Olona flows through the Valle Olona in the Po Valley . The river is famous for the Valganna Falls and the eponymous caves ( 45 ° 51 ′ 20 ″ N , 8 ° 49 ′ 23 ″ E ). The Olona is one of the most polluted rivers in Italy. It has an average discharge of 14 m³ / s.
Tributaries
The Olona has 39 tributaries. The most important are the Lura , the Bevera , the Gaggiolo , the Bozzente , the Vellone , the Rile , the Tenore , the Merlate , the Mussa , the Quadronna , the Selvagna and the Fredda .
Web links
Commons : Olona - collection of images, videos and audio files
