Una River (Pernambuco)
{{Short description|River in Pernambuco, Brazil}}
{{Infobox river
| name = Una River
| image = Rio Una Palmares.jpg
| image_caption = The Una near Palmares
| pushpin_map = Brazil
| pushpin_map_caption = Location of mouth
| source1_location = Borborema Plateau, Pernambuco
| mouth_location = Atlantic Ocean
| mouth_coordinates = {{coord|-8.861|-35.13|format=dms|display=inline,title}}
| mouth_elevation = {{cvt|0|m}}
| subdivision_type1 = Country
| subdivision_name1 = Brazil
| subdivision_type2 = State
| subdivision_name2 = Pernambuco
| length = {{convert|290|km|abbr=on}}
| source1_elevation =
| discharge1_avg =
| basin_size = {{convert|6,740|km2|abbr=on}}
}}
The Una River is a river of Pernambuco state in northeastern Brazil. The Una originates on the Borborema Plateau, flows east, and empties into the Atlantic Ocean near Barreiros. Its length is 290 km, and its basin area is 6,740 km2, of which 6,263 km2 in Pernambuco.[http://www.sirh.srh.pe.gov.br/site/bacia_rio_una.php Pernambuco state Department of Water Resources] It flows through the towns São Bento do Una, Altinho, Palmares and Agua Preta.[https://www.gifex.com/imapa/americas/md_Pernambuco_brazil.pdf Brazilian Department of Transport]