The Una River is a river of

Bahia Bahia ( , , ; meaning "bay") is one of the 26 Federative units of Brazil, states of Brazil, located in the Northeast Region, Brazil, Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo (sta ...

state in eastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. It discharges into the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

between

Canavieiras Canavieiras is a municipality in the state of Bahia in the North-East region of Brazil. The municipality contains part of the Canavieiras Extractive Reserve, created in 2006. See also *List of municipalities in Bahia This is a list of the mun ...

to the south and

Ilhéus Ilhéus () is a major city located in the southern coastal region of Bahia, Brazil, 211 km south of Salvador, Brazil, Salvador, the state's capital. The city was founded in 1534 as Vila de São Jorge dos Ilhéus and is known as one of the mos ...

to the north. Tributaries include the Aliança and São Pedro rivers. Part of the river basin is in the

Una Biological Reserve Una Biological Reserve ( pt, Reserva Biológica de Una) is a Biological reserve in Brazil. Location The Una Biological Reserve, which is in the Atlantic Forest biome and covers , was created on 10 December 1980. It became part of the Central Atl ...

, a strictly protected conservation unit in the

Una Una and UNA may refer to: Places * 160 Una, the asteroid "Una", an asteroid named after the Faerie Queene character * Una River (disambiguation), numerous rivers * Una, Himachal Pradesh, a town in India ** Una, Himachal Pradesh Assembly constit ...

municipality created in 1980. In its lower reaches the river flows through the western part of the

Una Wildlife Refuge The Una Wildlife Refuge ( pt, Refúgio de Vida Silvestre de Una) is a wildlife refuge in the state of Bahia, Brazil. Location The Una Wildlife Refuge is in the municipalities of Una and Ilhéus, Bahia. It has an area of . The refuge almost compl ...

, which surrounds the biological reserve. At least eight of the tributaries rise in the Serra das Lontras National Park, created in 2010.

References

Rivers of Bahia {{Bahia-river-stub