For other uses, see Aconcagua (disambiguation).
Aconcagua and Maipo rivers
The Aconcagua River is a river in Chile that rises from the joint of two minor tributary rivers at 1,430 metres (4,690 ft) above sea level in the Andes, Juncal River from the east (which rise in the Nevado Juncal) and Blanco River from the south east. Aconcagua river flows westward through a broad valley, the Valle del Aconcagua (Aconcagua's Valley), and enters the Pacific Ocean 20 kilometres (12 mi) north of Valparaíso.
The river has a course of about 142 kilometres (88 mi), and its waters irrigate the most populous sections of the Chilean provinces of San Felipe de Aconcagua and Los Andes, being the most important economic resource of those regions. During the course of the Aconcagua river, it receives the contribution of many others rivers and swamps, reaching a mean flow of 39 cubic metres per second (1,400 cu ft/s).
The valley of Aconcagua River was used as route of Transandine Railway on Chilean side. The river flows alongside Chile Route 5 from Llaillay to La Calera. For much of their lengths, the two separate stretches of Chile Route 60 follow the course of the river.
Although it has the same name, Aconcagua river does not rise in the slopes of the mount Aconcagua, which is entirely in Argentina about 20 kilometres (12 mi) from the beginning of the river, in the Chilean territory.
- Niemeyer, Hans; Cereceda, Pilar (1983), Geografía de Chile — Tomo VIII: Hidrografía, 1º edición, Santiago de Chile: Instituto Geográfico Militar.
- Gobierno de Chile, Ministerio de Obras Públicas, Dirección General de Aguas (2004) Cuenca del Río Aconcagua, Diagnóstico y Clasificación de los Cursos y Cuerpos de Agua Según Objetivos de Calidad
Coordinates: 32°54′54″S 71°30′30″W / 32.91500°S 71.50833°W