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Aragón River (Río Aragón)
Milagro. Navarra. Spanien.jpg
The Aragón river in Milagro
Country  Spain
Regions Aragon, Navarre
Provinces Huesca, Navarre
Municipality Canfranc, Jaca, Sangüesa, Milagro
 - right Esca, Irati, Arga
Source Astún valley
 - location Jaca, Aragon, Spain
 - elevation 2,050 m (6,726 ft)
 - coordinates 42°49′N 0°30′W / 42.817°N 0.500°W / 42.817; -0.500
Mouth Ebro
 - location Milagro, Navarre, Spain
 - elevation 270 m (886 ft)
 - coordinates 42°13′13″N 1°45′17″W / 42.22028°N 1.75472°W / 42.22028; -1.75472
Length 190 km (118 mi)
Basin 8,609 km² (3,324 sq mi)
 - average 41 /s (1,448 cu ft/s)

The Aragón River (Spanish: Río Aragón; Basque: Aragon Ibaia) is a river in northern Spain, one of the left-hand tributaries of the river Ebro.

The river gave its name to the historic Kingdom of Aragon and, then, to the modern Autonomous Community of Aragón.


The Aragón river has a length of 190 km (118 mi) and a drainage basin with an area, including the area of the Arga river, of 8,609 km2 (3,324 sq mi); without the Arga river, its chief tributary, the area is 5,850 km2 (2,259 sq mi).

The areas of the different parts of the watershed of the Aragón River are:

Watershed Area
Upper Aragón 2,196
Iratí river 1,594
Cidacos river 490
Arga river 2,760
Whole Aragón
(with Arga)


The source of the Aragón river is in the Astún Valley, in the Pyrenees, in the Huesca province (Aragon) next to the border with France, at an altitude of 2,050 m (6,726 ft).

It leaves the high mountains and flows to the south through the Canfranc valley and then turns to the west in Jaca. In Jaca, its discharge is 8.15 m3/s (288 cu ft/s) but it is increased by some tributaries as Gas, Lubierre, Candanchú, Estarrún, Aragón Subordán, Aragón Veral and Esca. When the river gets into Yesa, where is the Yesa dam, the discharge is 38 m3/s (1,300 cu ft/s).

Below the dam, the Aragón river flows to the southwest into Navarre, and finally flows into the Ebro river at Milagro, where the discharge is 140 m3/s (4,900 cu ft/s).

The main tributaries of the Aragón river are in Navarre; these are Iratí, Cidacos and Arga.


See also

Kids robot.svg In Spanish: Río Aragón para niños

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