The Aragón ( Spanish : Río Aragón ; Basque : Aragon Ibaia ) is a river in northern Spain , one of the left-hand tributaries of the river Ebro . It rises at Astún (province of Huesca ) in the central Pyrenees Mountains , passes southwest through Jaca and Sangüesa ( Navarre ), and joins the Ebro at Milagro ( Navarre ), near Tudela . The name Aragón is related to the birth area of the former kingdom , which corresponds to the modern autonomous community of Aragón in Spain.
5-850: The river, used for irrigation and hydroelectric power, is about 129 kilometres (80 mi) long; its chief tributary is the Arga River . Non-government sanctioned re-introduction of Eurasian beaver ( Castor fiber ) in Spain around 2003 has resulted in tell-tale beaver signs documented on a 60-kilometre (37 mi) stretch on the lower course of the Aragón River and the area adjoining the Ebro River in Aragon , Spain. 42°36′23″N 1°03′29″W / 42.60648°N 1.05812°W / 42.60648; -1.05812 This article about
10-632: A location in Aragon, Spain, is a stub . You can help Misplaced Pages by expanding it . This article about a location in Navarre, Spain, is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Spain is a stub . You can help Misplaced Pages by expanding it . Arga (river) The Arga is a river of Navarre , in Spain , and is a tributary of the Aragón River , itself
15-420: A tributary of the river Ebro . The Arga was known as the river Runa in antiquity. Situated in the north-east of Spain, the river stretches some 145 kilometres (90 mi) and has a basin of 2,759 square kilometres (1,065 sq mi), of which 2,652 square kilometres (1,024 sq mi) is in Navarre and the remaining 107 square kilometres (41 sq mi) is in the province of Alava . The source of
20-583: A variety of shrubs can be found in the proximity of the Eugui reservoir, including; alder , ash , maple , common hazel and buckthorn . After the dam, the lower river is lined with oak and Scots pine trees and boxwood shrubs. At the point where the river passes Huarte/Uharte , a crack willow appears. The shrubbery around the area of Belascoáin marks the change from Cantabrian forest to more Mediterranean plant life; black poplar and white willow are common in this region. This article about
25-517: The river is to the north of the village Esteríbar , near the border with France , and it empties into the Aragón River near Funes . The river is dammed in the Eugui reservoir near Esteríbar; the dam principally serves the needs of Pamplona 's metropolitan area , the largest city on the Arga. At the upper basin, the river is mainly surrounded by beech trees and beneath these grow bilberries , Cornish heath , sedges and luzulas . Additionally,
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