Arque River

Arque River is one of the headwaters of

Río Grande The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico. The length of the Rio ...

and

Mamoré River The Mamoré is a large river in Brazil and Bolivia which unites with the Beni to form the Madeira, one of the largest tributaries of the Amazon. It rises on the northern slope of the Sierra de Cochabamba, east of the city of Cochabamba, and is k ...

in Bolivia. Arque River has its source in 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 ...

on the western slope of the mountain Waylluma at , 50 km northeast of the mining city

Oruro Oruro (Hispanicized spelling) or Uru Uru is a city in Bolivia with a population of 264,683 (2012 calculation), about halfway between La Paz and Sucre in the Altiplano, approximately above sea level. It is Bolivia's fifth-largest city by pop ...

and 65 km southwest of

Cochabamba Cochabamba ( ay, Quchapampa; qu, Quchapampa) is a city and municipality in central Bolivia in a valley in the Andes mountain range. It is the capital of the Cochabamba Department and the fourth largest city in Bolivia, with a population of 630 ...

. The river flows 50 km in a southeasterly direction before it turns northeast. At kilometer 58 there is the provincial capital

Arque Arque is a location in the Cochabamba Department, Bolivia. It is the seat of Arque Province and Arque Municipality. Arque is situated at an elevation of 10,735 ft (3,272 m) on the northern bank of Arque River. At the time of census 2001 it ...

on the northern bank of the river, at kilometer 72 the village Umani on the southern bank, and at kilometer 85 the town of

Capinota Capinota is a small town in the Bolivian Department of Cochabamba and capital of the Capinota Province. Location ''Capinota'' is situated at an altitude of 2.380 m where the rivers Río Arque and Río Rocha meet to become the Río Caine and t ...

on the northern bank. The watershed of Arque River comprises 2.224 km². At Capinota, the base flow of the river is 2 to 2.5 m³/s. However, when the river rises during the

rainy season The rainy season is the time of year when most of a region's average annual rainfall occurs. Rainy Season may also refer to: * ''Rainy Season'' (short story), a 1989 short horror story by Stephen King * "Rainy Season", a 2018 song by Monni * '' ...

(November-April), the flow can be up to 900 m³/s. The sediments which Arque River carries in the rainy season can be up to 120 g/L. After a total of 88 km Arque River joins

Rocha River Rocha River or Kunturillu River (Quechua ''kunturillu'' black and white, Hispanicized spelling ''Condorillo'', also ''Kundurillu, Kunturillo'') which upstream is called Mayllanku ''(Maylanco)'' is a Bolivian river in the Cochabamba Department, Q ...

at {{Coord, 17, 42, 10, S, 66, 14, 45, W at an elevation of 2,350 m to form Caine River. Caine River' after another 162 km merges into ''Rìo Grande'' which after a total of 1,438 km from the source of Rocha River joins

Ichilo River Ichilo River is a Bolivian river at the foot of the Eastern Andes-Cordillera in South America. It lends its name to the Ichilo Province, one of the 15 provinces of the Santa Cruz Department of Bolivia. Location Ichilo River has its source in ...