Olona

Olona RiverOlona Valleyriver Olona
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.wikipedia
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Rho, Lombardy

RhoPassirana di RhoRho, Italy
After crossing the Valle Olona and crossing the Alto Milanese, the Olona reaches Rho where it pours part of its water into the Canale Scolmatore Nord Ovest. After crossing San Lorenzo (fraction of Parabiago) and Nerviano, the Olona river receives its two main tributaries, the Bozzente and the Lura, at Rho. These works were carried out mainly in Varese, Legnano, San Vittore Olona, Rho and Milan.
Rho is lapped by the river Olona and crossed by its tributaries Bozzente and Lura, nowadays partially cloaked inside the town.

Lombardy

LombardLombardiaLombardy Region
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.
The other streams which contribute to the great river are, the Olona, the Lambro, the Adda, the Oglio and the Mincio.

Legnano

Legnano, ItalyItalian town
Once there was also another natural branch which was indicated by the name of Olonella and which crossed Legnano passing behind the basilica of San Magno.
Legnano is located in the Alto Milanese and is crossed by the Olona river.

Basilica of San Magno, Legnano

Basilica of San MagnoBasilica di San MagnoSan Magno
Once there was also another natural branch which was indicated by the name of Olonella and which crossed Legnano passing behind the basilica of San Magno.
To make matters worse, the Olona was prone to frequent and destructive flooding.

Parabiago

After crossing San Lorenzo (fraction of Parabiago) and Nerviano, the Olona river receives its two main tributaries, the Bozzente and the Lura, at Rho. These wastewater treatment plants, which are managed by the Olona river consortium, were built in Varese, Olgiate Olona, Gornate Olona, Cairate, Saltrio, Cantello, Canegrate, Parabiago and Pero.
The town is crossed by the road to Sempione (S.S.33) and Milan – Gallarate Railway; nearby flow the Olona river and the Canale Villoresi.

San Siro (district)

San Sirothe district where it is located
The Olona then runs along the Lampugnano and San Siro districts, and then continues under the avenues of the ring road bypass.
Until the 19th century, San Siro was a small settlement, on the banks of the Olona river; its centre was in the surroundings of what is now Piazzale Lotto.

Gallaratese

Gallaratese quarter
Entering Pero, after an initial stretch still outdoors, the Olona begins to flow under the road surface and reaches Milan by first crossing the Gallaratese, Lampugnano and QT8 districts, where it collects the water of the Merlata river (also called Fugone), to then skirt the southern slope of Monte Stella.
The Olona river, which traverses the district, has been laid underground.

Province of Pavia

PaviaPVPavia province
The river is sometimes also referred to as "northern Olona" for the homonymy with another Olona, who was born in Bornasco and flows into the Po after having crossed the Province of Pavia.
Another large river flowing through the province is the Olona.

Castellanza

In Gorla Minore the river branches off into the Olonella, which joins the main riverbed after 1200 m. In this stretch, many artificial canals are born in the service of agriculture and of the industries that re-enter the Olona before Castellanza. The Valmorea railway, this is its name, connected Castellanza to Switzerland following the course of the river.
The Olona river divides Castellanza in the two main boroughs of Castellanza proper and Castegnate.

Carroccio

carrociowaggon
The Carroccio, escorted by hundreds of knights, was placed along an escarpment flanking the Olona with the aim of having a natural defense on at least one side.
This would suggest that the Carroccio was located on the edge of a steep slope flanking the river Olona, so that the imperial cavalry, whose arrival was planned by Castellanza along the river, would have been forced to attack the center of the army of the Lombard League going up the escarpment : this decision later proved to be strategically incorrect, given that Frederick Barbarossa came instead from Borsano, or from the opposite side, which forced the municipal troops to resist around the Carroccio with the escape road blocked by the Olona.

Canegrate culture

CanegrateCulture of Canegrate
Further down the valley, archaeological finds belonging to Canegrate culture have been discovered.
Since ancient times, the inhabitants of Olona Valley lived mainly away from the river, on higher ground that certainly would not have been affected by seasonal floods.

San Vittore Olona

These works were carried out mainly in Varese, Legnano, San Vittore Olona, Rho and Milan. In Legnanese there are only six: these are the Cornaggia of Legnano, Meraviglia (formerly Melzi Salazar), Cozzi, De Toffol, Montoli of San Vittore Olona and Galletto of Canegrate mills.
San Vittore Olona (Legnanese: San Vittor ) is a comune (municipality) in the Province of Milan in the Italian region Lombardy, located on the river Olona and about 20 km northwest of Milan.

Nerviano

After crossing San Lorenzo (fraction of Parabiago) and Nerviano, the Olona river receives its two main tributaries, the Bozzente and the Lura, at Rho.
Its territory is crossed by the Olona river and by the Villoresi Canal.

Battle of Legnano

Legnanobattles of Legnanodefeat at Legnano
In 1176 the banks of the river were theater of the decisive phases of the battle of Legnano.
Barbarossa decided to stop in Cairate to cross the Olona river, the only natural barrier that separated it from the faithful Pavia, trusting to have the possibility to enter the area controlled by the allied city after having traveled the remaining 50 km in a horse day.

Lonate Ceppino

Instead, as far as local toponyms are concerned, it was assumed that Lonate Pozzolo and Lonate Ceppino derive from "Olona" (from "Olona" to "Lonate").
It is crossed by the Olona and its affluent, the Bozzone.

Bornasco

Misano OlonaSettimo Pavese
The river is sometimes also referred to as "northern Olona" for the homonymy with another Olona, who was born in Bornasco and flows into the Po after having crossed the Province of Pavia.

Olgiate Olona

These wastewater treatment plants, which are managed by the Olona river consortium, were built in Varese, Olgiate Olona, Gornate Olona, Cairate, Saltrio, Cantello, Canegrate, Parabiago and Pero.
The town is bathed by the river Olona.

Valmorea railway

The Valmorea railway, this is its name, connected Castellanza to Switzerland following the course of the river.
Originally built as Olona Valley railway, to serve the industrial complexes of this region, it was later prolonged until the Swiss border by Valmorea, reached in 1926, where it continued as the Mendrisio–Stabio railway.

Legnanese (region)

Legnaneseneighboring areas
In Legnanese there are only six: these are the Cornaggia of Legnano, Meraviglia (formerly Melzi Salazar), Cozzi, De Toffol, Montoli of San Vittore Olona and Galletto of Canegrate mills.
It includes Legnano, its namesake, and some of the comunes neighboring Legnano along the Olona river and State Road 33 for Sempione.

Italian language

ItalianItalian-languageit
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.

Western Lombard dialect

LodigianoWestern LombardWestern Lombard language
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.

Italy

ItalianITAItalia
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.

Province of Varese

VareseVAVarese Province
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.

Metropolitan City of Milan

MilanMIProvince of Milan
The Olona (Olona in Italian; Ulona, Urona or Uòna in Western Lombard) is an Italian river belonging to the Po Basin, 71 km long, that runs through the Province of Varese and Metropolitan City of Milan whose course is developed entirely in Lombardy.

Varese

Varese, ItalyCascina del PesceCircuito Varese
These works were carried out mainly in Varese, Legnano, San Vittore Olona, Rho and Milan. The river born at 548 m s.l.m. in the Fornaci della Riana locality at the Rasa of Varese, at the Sacro Monte di Varese, within the Campo dei Fiori regional park.