The Yuraqmayu (

Quechua Quechua may refer to: *Quechua people, several indigenous ethnic groups in South America, especially in Peru *Quechuan languages, a Native South American language family spoken primarily in the Andes, derived from a common ancestral language **So ...

''yuraq'' white, ''mayu'' river, "white river", hispaniciced spelling ''Yuracmayo'') or Río Blanco (

Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Cana ...

for "white river") is a 36.2 km long river in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

located in the

Lima Region The Department of Lima () is a department and region located in the central coast of Peru, the ''seat of the Regional Government'' is Huacho. Lima Province, which contains the city of Lima, the country's capital, is located west of the Departmen ...

Huarochirí Province Huarochirí Province (in hispanicized spelling) or Waruchiri is located in the Lima Region of Peru. Its capital is Matucana. The western section is part of the Lima Metropolitan Area. Geography The La Viuda and Paryaqaqa or Waruchiri mountain ...

, in the districts of Chicla and San Mateo. It is a left tributary of the

Rimac The Recreation, Intramural, and Athletic Complex (RIMAC, ) is a sports complex at the University of California San Diego comprising an arena, a weight room and various other event and athletic facilities. It is one of the largest college athleti ...

River which empties into 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 continen ...

. The river originates in the San Mateo District, southeast of

Kunkus Yantaq Kunkus Yantaq ( Ancash Quechua ''kunkush'' ''Puya raimondii'', ''llamt'a, llant'a, yanta'' firewood, ''-q'' a suffix, Hispanicized spelling ''Cuncusyantac'') is a mountain in the Paryaqaqa mountain range in the Andes of Peru. It is located in t ...

. Its direction is mainly to the northwest. Upstream it is the natural border between the districts of Chicla and San Mateo. The confluence with the Rimac River is south of Chicla. The Yuraqmayu dam which was erected near the village of Yuraqmayu at was erected in 1995. It is high and long. It is operated by Edegel. The

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

has a volume of and a capacity of .

References

Rivers of Peru Rivers of Lima Region Dams in Peru Buildings and structures in Lima Region {{Peru-river-stub