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Black River ((スペイン語:Río Negro), (:ˈri.o ˈneɣɾo);) is the most important river of the Argentine province of Río Negro. It originates from the junction of the Limay River and Neuquén River at the border with the Neuquén Province, and flows southeast to the Atlantic Ocean at , near El Cóndor beach resort some downstream from Viedma, Río Negro province's capital. The river allows the Río Negro province to produce 65% of the pears and apples of Argentina. Besides irrigation, the river is also source of hydroelectricity with small dams on its course. The river served as natural demarcation between "civilisation" and the aboriginal territories during the Conquest of the Desert of late 19th century. ==Valleys== The river is divided into three parts: The Alto Valle (High Valley) near the beginning of the river, Valle Medio (Medium Valley) near Choele Choel, and Valle Inferior (Lower Valley) near its end. The river crosses the steppe plains of the province through a forest of around in the ''Alto Valle'', and as wide as towards the ''Valle Inferior''. In the dry plain it is possible to find seashells and pebble. 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「Río Negro (Argentina)」の詳細全文を読む スポンサード リンク
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