The the lurin river is a 108.57 kilometres (67.5 mi) is a long watercourse located in the Lima Region

Lima Region

Lima Region, also known as Lima Provincias, is one of twenty-five regions of Peru. Located in the central coast of the country, its regional seat is Huacho....

 of Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

. It originates in the glaciers and lagoon

Lagoon

A lagoon is a body of shallow sea water or brackish water separated from the sea by some form of barrier. The EU's habitat directive defines lagoons as "expanses of shallow coastal salt water, of varying salinity or water volume, wholly or partially separated from the sea by sand banks or shingle,...

s of the western Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 and is known as the Chalilla River until joining the Taquía creek where it receives its common name. Its main tributaries

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 are the Taquía, Llacomayqui, Tinajas, Numincancha and Canchahuara on its left bank and the Chamacna on its right one. It crosses the provinces of Huarochirí

Huarochirí Province

Huarochirí Province is located in the Lima Region of Peru. Its capital is Matucana. The western section is part of the Lima Metropolitan Area.-Political division:The province is divided into thirty-two districts.* Antioquia...

 and Lima

Lima Province

Lima Province is located in the central coast of Peru and is the only province in the country not belonging to any of the twenty-five regions. Its capital is Lima, which is also the nation's capital....

 in the Lima region before emptying in the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. The drainage basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

of the Lurín River covers an area of 1670 square kilometres (644.8 sq mi).