The Mocoretá River is a river in the Mesopotamic

Mesopotamia, Argentina

La Mesopotamia, Región Mesopotámica is the humid and verdant area of north-east Argentina, comprising the provinces of Misiones, Entre Ríos and Corrientes. The region called Litoral consists of the Mesopotamia and the provinces of Chaco, Formosa and Santa Fe...

 northeastern region of Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

. It is born in the southeast of the province

Provinces of Argentina

Argentina is subdivided into twenty-three provinces and one autonomous city...

 of Corrientes

Corrientes Province

Corrientes is a province in northeast Argentina, in the Mesopotamia region. It is surrounded by : Paraguay, the province of Misiones, Brazil, Uruguay, and the provinces of Entre Rios, Santa Fe and Chaco.-History:...

, south of Curuzú Cuatiá

Curuzú Cuatiá

Curuzú Cuatiá is a city in the south of the province of Corrientes in the Argentine Mesopotamia. It has about 36,000 inhabitants as of the , and is the head town of the Curuzú Cuatiá Department....

. It flows south, first turning east and then west until reaching the interprovincial border with Entre Ríos

Entre Ríos Province

Entre Ríos is a northeastern province of Argentina, located in the Mesopotamia region. It borders the provinces of Buenos Aires , Corrientes and Santa Fe , and Uruguay in the east....

, where it receives the Las Tunas Stream. It turns southeast again along the border, passes by the town of Mocoretá, and empties into the Uruguay River

Uruguay River

The Uruguay River is a river in South America. It flows from north to south and makes boundary with Brazil, Argentina, and Uruguay, separating some of the Argentine provinces of the Mesopotamia from the other two countries...

, into the southern part of the Salto Grande

Salto Grande Dam

The Salto Grande Dam is a large hydroelectric dam on the Uruguay River, located between Concordia, Argentina, and Salto, Uruguay; thus is shared between the two countries....

 reservoir.

The river is relatively shallow and narrow, with an estimated length of 150 km. It drains a 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 3,650 km².