The Beni River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the north of Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

.

It rises north of La Paz

La Paz

Nuestra Señora de La Paz is the administrative capital of Bolivia, as well as the departmental capital of the La Paz Department, and the second largest city in the country after Santa Cruz de la Sierra...

 and flows northeast through the pampas. One of the tributary rivers is Tuichi River

Tuichi River

The Tuichi River is a river in the Madidi National Park in the north of Bolivia. The Tuichi River flows through the rainforest and joins the Beni River south of Rurrenabaque....

 in the Madidi

Madidi

Madidi is a national park in the upper Amazon river basin in Bolivia. Established in 1995, it has an area of 18,958 square kilometres, and along with nearby protected areas Manuripi-Heath, Apolobamba, and the Manu Biosphere Reserve...

 National Park. Tuichi River joins the Beni River upstream from the town Rurrenabaque

Rurrenabaque

Rurrenabaque is a small town in the North of Bolivia on the Beni River. It is the capital of Rurrenabaque Municipality. In recent years it has become popular with international tourism as it is an easy gateway for visits to Madidi National Park , as well as the surrounding pampas...

. South of Rurrenabaque, Río Beni runs through the rainforest

Rainforest

Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm...

. 30 km before joining the Mamoré River at the Bolivia-Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 border, the rapids of Cachuela Esperanza

Cachuela Esperanza

Cachuela Esperanza is a village in the Bolivian Departamento Beni.-Location:Cachuela Esperanza is situated on the right bank at the rapids of Beni River, 30 km before its confluence with Mamoré River which both form the Madeira River there...

 interrupt the upstream navigability of the river.

See also

• Madidi River
  Madidi River
  Madidi is a river of the Amazon Basin located in the La Paz Department of Bolivia. The elevation of the river's source is 1060 m, and the elevation of its mouth is 159 m. The river is 595 km long....