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The river Jalón ((ラテン語:Salo)) is located in the northeast of Spain, and is one of the principal tributaries of the Ebro. It has a length of and drains a watershed of . The flow rate in Calatayud is , but is highly irregular due to the great range of Mediterranean rainfall patterns. The course of the river forms the main communication route between the Castilian Plateau and the Ebro. Until the late twentieth century, roads and railways between Madrid and Zaragoza followed this path.〔 (【引用サイトリンク】title=The Coombs of the River Jalon ) 〕 ==Geography== The Jalón rises in one of the springs at the foot of the Sierra Ministra, called Fuente Vieja (Old Fountain) located at the base of Monteagudillo, a hill in Benamira, Medinaceli (Soria), and then runs through Arcos de Jalón, to Monreal de Ariza, province of Zaragoza, Aragón. The tributary river Nágima joins at Monreal de Ariza and the Henar at Cetina before the river enters a limestone gorge at Alhama de Aragón. The Jalón then meanders through the Paleozoic zones of the Cordillera Ibérica near Bubierca, being joined by the Piedra at Castejón de las Armas, and the Manubles at Ateca. At Calatayud, the river expands into a broad valley and is joined by the Jiloca, Perejiles and Ribota. The next section meanders through the Sierra de Algairén and the Sierra de la Virgen. Once out of the mountains the river enters the Ebro valley and is joined by the rivers Aranda, Grío and Alpartir before joining the Ebro at Torres de Berrellén, a suburb of the city of Zaragoza.〔 (【引用サイトリンク】title=Jalón ) 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jalón (river)」の詳細全文を読む スポンサード リンク
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