The Choqueyapu River, sometimes called the La Paz River, is a river in the La Paz Department of

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

. It belongs to the

drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...

of the

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...

. The river originates in a spring called Achachi Qala (

Aymara Aymara may refer to: Languages and people * Aymaran languages, the second most widespread Andean language ** Aymara language, the main language within that family ** Central Aymara, the other surviving branch of the Aymara(n) family, which today ...

: ''achachi'' border stone, old, grandfather, ''qala'' stone) in the Cordillera Real near the mountain

Chacaltaya Chacaltaya ( Mollo language for "''bridge of winds''" or "''winds meeting point''", Aymara for "cold road") is a mountain in the Cordillera Real, one of the mountain ranges of the Cordillera Oriental, itself a range of the Bolivian Andes. Its ...

at a height of 5,395 m. It crosses the city

La Paz La Paz (), officially known as Nuestra Señora de La Paz (Spanish pronunciation: ), is the seat of government of the Bolivia, Plurinational State of Bolivia. With an estimated 816,044 residents as of 2020, La Paz is the List of Bolivian cities ...

from north to south. South of

Illimani Illimani (Aymara) is the highest mountain in the Cordillera Real (part of the Cordillera Oriental, a subrange of the Andes) of western Bolivia. It lies near the cities of El Alto and La Paz at the eastern edge of the Altiplano. It is the secon ...

and north of the

Kimsa Cruz mountain range The Cordillera Quimsa Cruz is a mountain range in the La Paz Department in Bolivia situated south east of Lake Titicaca and north of Lake Uru Uru, measuring about 35–40 km in length and 12 km at its widest point. It is the continua ...

it turns to the east; at this point it is better known as the La Paz River. The confluence with Cotacajes River is the beginning of the

Beni River The Beni River ( es, Río Beni) is a river in the north of Bolivia. It rises north of La Paz and flows northeast. The Madre de Dios River is where its mouth is at. In the upper portion of its course it flows through highland forest and rainforest ...

, also known as Alto Beni ("high Beni") in this region. The river is known to be contaminated with sewage, with enteropathogenic bacteria which is believed to contribute to the high incidence of diarrheal disease in the city of La Paz. Tributaries include the

Amutara River The Amutara River is a river of Bolivia in the La Paz Department. See also *List of rivers of Bolivia * Sacambaya River The Sacambaya River is a river of Bolivia in the La Paz Department (Bolivia), La Paz Department. According to legend it h ...

References

*Rand McNally, The New International Atlas, 1993. Rivers of La Paz Department (Bolivia) {{Bolivia-river-stub