Caima River

Caima River
Location
CountryPortugal
Physical characteristics
Source 
  locationArouca Municipality
Mouth 
  location
Vouga River
Basin size196 square kilometres (76 sq mi)

The Caima (Portuguese pronunciation: [ˈkajmɐ]) is a river in north-central Portugal. Its source is in Arouca Municipality. Its basin contains a number of abandoned mines (including for lead, copper, silver) that have lead to heavy metal contamination of the river.