The Chillón River is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

located in western

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

. Its waters are produced by the melting of ice in the

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...

s of the

Andes The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...

, and its mouth is located in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...

coast of the

Callao Region Callao () is a Peruvian seaside city and region on the Pacific Ocean in the Lima metropolitan area. Callao is Peru's chief seaport and home to its main airport, Jorge Chávez International Airport. Callao municipality consists of the whole Call ...

. Its volume gets higher during the summer months (December to March). The river's

valley A valley is an elongated low area often running between hills or mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams ove ...

is very fertile. It has been inhabited by varying

indigenous Indigenous may refer to: *Indigenous peoples *Indigenous (ecology), presence in a region as the result of only natural processes, with no human intervention *Indigenous (band), an American blues-rock band *Indigenous (horse), a Hong Kong racehorse ...

cultures for more than ten thousand years, as shown by archeological evidence. The 4,000-year-old ruins known as El Paraíso are located 40 kilometres north-east of Lima in the Chillón River Valley. A temple at the site is believed to be about 5,000 years old, if the date is confirmed it would be among the oldest sites in the world, comparable to the ancient city of

Caral The Sacred City of Caral-Supe or simply Caral, is an archaeological site where the remains of the main city of the Caral civilization are found. It is located in Peru in the Supe valley, near the current town of Caral, 182 kilometers north of L ...

, a coastal city 200 kilometres to the north.

References

Rivers of Peru Rivers of Lima Region {{Peru-river-stub