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Toce

Coordinates: 45°56′11″N 8°29′38″E / 45.9365°N 8.4938°E / 45.9365; 8.4938
From Wikipedia, the free encyclopedia
Toce
The river at its confluence with the Strona
Course of the Toce
Native name
Location
CountryItaly, Switzerland
Physical characteristics
Source 
 • locationRiale di Formazza
MouthLake Maggiore
 • coordinates
45°56′11″N 8°29′38″E / 45.9365°N 8.4938°E / 45.9365; 8.4938
Length83.6 km (51.9 mi)[1]
Discharge 
 • average69.9 m3/s (2,470 cu ft/s)[2]
Basin features
ProgressionLake MaggioreTicinoPoAdriatic Sea

The Toce (Italian pronunciation: [ˈtoːtʃe, ˈtɔːtʃe]; Lombard: Toss; Walser: Riiss) is a river in Piedmont, Italy, which stretches the length of the Val d'Ossola from the Swiss border to Lake Maggiore into which it debouches near Fondotoce in the commune of Verbania. The river is 83.6 kilometres (51.9 mi) long[1] and is formed in the upper Val Formazza by the confluence of a number of torrents in the plain of Riale.

Geography

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The waterfall near La Frua

The source of one of these, the Gries, is situated on the Italian southern side of the Gries Pass; another forms beneath the Passo di San Giacomo, others flow from little Alpine lakes such as Lago Castel and Lago di Sabbione.

South of La Frua the water of the river plummets 143 metres (469 ft) over the Cascata del Toce into the Formazza Valley, through which it flows before transversing Valle Antigorio after another series of cascades. Near Crevola d'Ossola the river Diveria flows into the Toce. At this point, the valley gets wider and is known as Val d'Ossola. The Toce flows next to the capital of the valley, Domodossola, and then Villadossola and Ornavasso. After a total of 76 kilometres (47 mi) the Toce then flows into Lake Maggiore. The major tributaries are the Diveria, Bogna, Melezzo Occidentale (joining it near Domodossola), Ovesca, Anza (near Piedimulera), and the Strona (near Gravellona Toce).

History

[edit]

In ancient times the Toce river was called Athisone or Atisone, whence the current name is derived. Old alternative forms in Italian include Toccia and Tosa.

Notes

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  1. ^ a b Caratterizzazione bacini Idrografici (elab.I.a/5) - Allegato tecnico al Piano di Tutela delle Acque Archived 2012-02-25 at the Wayback Machine (Regione Piemonte, 1 July 2004).
  2. ^ AA.VV. (2004). "Elaborato I.c/7". Piano di Tutela delle Acque - Revisione del 1º luglio 2004; Caratterizzazione bacini Idrografici (PDF). Regione Piemonte. Archived from the original (PDF) on 2012-02-25. Retrieved 2014-01-07.

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