Boina River

Boina River
Location of the confluence (Boina estuary) in Portugal
Location
CountryPortugal
RegionAlgarve
DistrictFaro
MunicipalitySilves
Physical characteristics
Source 
  locationSerra de Monchique, Algarve
  coordinates37°09′13.4″N 8°15′55.5″W / 37.153722°N 8.265417°W / 37.153722; -8.265417
Source confluence 
  locationBoina estuary
  coordinates37°10′14.4″N 8°31′49.4″W / 37.170667°N 8.530389°W / 37.170667; -8.530389
MouthBoina estuary, south west coast of the Algarve into the Atlantic at Portimão via the Arade River

The Boina River (Portuguese pronunciation: [ˈbɔjnɐ]) is a small river in the south west Algarve, Portugal. It is a tributary of the Arade River which it has a conflux at the Boina Estuary 6.8 kilometres (4.2 mi) north of the mouth of the Arade at the town of Portimão.