The Inambari River in southeastern Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

 flows 210 miles (338 km) from the Cordillera Apolobamba

Apolobamba

Cordillera Apolobamba is a mountain range in the South American Andes.-Geographical Location:The Cordillera Apolobamba is located in the eastern borderland of Peru and Bolivia. It stretches across a distance of 50 km from East to West and 30 km from North to South...

 in the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 to the Madre de Dios River

Madre de Dios River

The Madre de Dios River, homonymous to the Peruvian region it runs through, then becomes the Beni River in Bolivia and then turns northward into Brazil, where it is called the Madeira River...

. The river spans the Puno

Puno Region

Puno is a region in southeastern Peru. It is bordered by Bolivia on the east, the Madre de Dios Region on the north, the Cusco and Arequipa regions on the west, the Moquegua Region on the southwest, and the Tacna Region on the south...

 and Madre de Dios

Madre de Dios Region

Madre de Dios is a region in southeastern Peru, bordering Brazil, Bolivia and the Peruvian regions of Puno, Cusco and Ucayali. Its capital is the city of Puerto Maldonado. The name of the region is a very common Spanish language designation for the Virgin Mary, literally meaning Mother of...

 regions.

Tributaries include the Yanacocha, Pucaramayo, Mancuari, Vilauma, Blanco, San Bartolome, and Huinchusmayo rivers. The Inambari passes through the towns of Cuyocuyo, Sandia

Sandia, Peru

Sandia is a town in Southern Peru, capital of the province Sandia in the region Puno.-References:...

and Massiapo, Pacaysuizo, Isilluma, and St. Helena.