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Aconcagua River facts for kids

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Rio Aconcagua 2.jpg
The Aconcagua river
Country Chile
Region Valparaíso
Provinces Los Andes, San Felipe de Aconcagua, Petorca, Quillota, Valparaíso
Comunas Los Andes, San Felipe, Quillota, Concón
 - left San Pedro de Inacaliri, Salado
 - right San Salvador
Cities Los Andes, San Felipe
Source confluence Juncal and Blanco River
 - location Andes, Valparaíso, Chile
 - elevation 1,430 m (4,692 ft)
Mouth Pacific Ocean
 - location Concón, Valparaíso, Chile
 - elevation m (0 ft)
 - coordinates 32°54′54″S 71°30′30″W / 32.91500°S 71.50833°W / -32.91500; -71.50833
Length 142 km (88 mi)
Basin 7,340 km² (2,834 sq mi)
 - average 1,400 /s (49,441 cu ft/s)

The Aconcagua River is a river that flows from east to west through the Valparaíso region in north central Chile and flows into the Pacific Ocean 20 km (12 mi) north of Valparaíso.

Although it has the same name, the Aconcagua river does not starts in the slopes of Aconcagua, which is in Argentina about 20 km (12 mi) from the beginning of the river, in Chilean territory.


La Calera Skyline GC
The Aconcagua river through La Calera

The Aconcagua river has a length of 142 km (88 mi), and a drainage basin with an area of approximately 7,340 km2 (2,834 sq mi).


The Aconcagua river starts on the Andes at an elevation of about 1,430 m (4,692 ft), at the confluence of two rivers:

  • Juncal river, that starts in the Nevado Juncal mountain; it is 35 km (22 mi) long.
  • Blanco river, that is 15 km (9 mi) long.

From its start, the river flows through the Aconcagua valley. Before the city of Los Andes, the river is joined, as a right tributary, by the Colorado river, 58 km (36 mi) long, and then, after the city of San Felipe, by the Putaendo river, also a right tributary with a length of 34 km (21 mi).

The river keeps flowing to the west, running through the cities of La Calera and Quillota, in the Quillota province. Finally, the Aconcagua river flows in the Pacific Ocean at the city of Concón, in the Valparaíso province.

Main tributaries

The main tributaries of the Aconcagua river are:

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