| Vecchio | |
|---|---|
 Pont Eiffel on the Vecchio | |
   | |
| Native name | U Vechju (Corsican) |
| Location | |
| Country | France |
| Region | Corsica |
| Department | Haute-Corse |
| Physical characteristics | |
| Mouth | Tavignano |
• coordinates | 42°13′40″N9°14′43″E / 42.22778°N 9.24528°E Coordinates: 42°13′40″N9°14′43″E / 42.22778°N 9.24528°E |
| Basin features | |
| Progression | Tavignano→ Tyrrhenian Sea |
The Vecchio (Corsican : U Vechju) is a river in the department of Haute-Corse, Corsica, France. It is a tributary of the river Tavignano.
The Vecchio is 24.27 kilometres (15.08 mi) long. It crosses the communes of Muracciole, Noceta, Venaco and Vivario. [1]
The Vecchio rises to the north of the 2,112 metres (6,929 ft) Punta dell'Oriente in the commune of Vivario. Its upper section is called the Ruisseau de Fulminato. It runs north or north-northeast through the Foret de Vizzavona past the village of Vizzavona to a point south of Santo-Pietro-di-Venaco where it turns to the east and flows to the Tavignano. For most of its upper course it is followed by the T20 road. After it turns east it is followed by the D143 road. [2]
The viaduct over the Vecchio, or Eiffel bridge, in the commune of Vivario was built between 1891 and 1893 by Gustave Eiffel. It is a metal railway viaduct with three interdependent spans, running between abutments hollowed out by double arches and supported by two piers. The work was undertaken by the contractor Vignolle. The bridge was classified as a Monument historique on 29 July 1976. [3]
The viaduct runs above the old road bridge on a loop of the RN 193 between Venaco and Vivario, built between 1826 and 1827. It was replaced by a new bridge in 1999 and is now only used by cyclists and pedestrians. The new bridge on the RN 193 is downstream from the old bridge, built between 1996 and 1999. Other bridges are:
Measurements of the river flow were taken at the Venaco [Pont de Noceta] station from 1960 to 2021. [4] The watershed above this station covers 147 square kilometres (57 sq mi). Annual precipitation was calculated as 1,061 millimetres (41.8 in). The average flow of water throughout the year was 4.93 cubic metres per second (174 cu ft/s). [4]
| Month | Flow |
|---|---|
| Jan | 6.850 |
| Feb | 7.220 |
| Mar | 7.370 |
| Apr | 7.760 |
| May | 6.420 |
| Jun | 2.780 |
| Jul | 0.924 |
| Aug | 0.542 |
| Sep | 1.080 |
| Oct | 3.280 |
| Nov | 6.770 |
| Dec | 8.310 |
The following streams (ruisseaux) are tributaries of the Vecchio, ordered by length, and sub-tributaries: [1]
Rivers of the Haute-Corse department  | ||||||||
|---|---|---|---|---|---|---|---|---|
Clockwise; west to north to east to south | ||||||||
| Coastal |
|  | ||||||
| Tributaries |
| |||||||
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