Caima River

Caima River
Caima River
Location
Country	Portugal
Physical characteristics
Source
• location	Arouca Municipality
Mouth
• location	Vouga River
Basin size	196 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 led to heavy metal contamination of the river.^[1]

References

^ ^a ^b Nunes, M. L.; Ferreira Da Silva, E.; De Almeida, S. F. P. (1 October 2003). "Assessment of Water Quality in the Caima and Mau River Basins (Portugal) using Geochemical and Biological Indices" (PDF). Water, Air, and Soil Pollution. 149 (1): 227–250. doi:10.1023/A:1025636106890. Retrieved 1 June 2025.

40°40′25″N 8°26′47″W / 40.6736°N 8.4463°W / 40.6736; -8.4463

[Nunes-1] Nunes, M. L.; Ferreira Da Silva, E.; De Almeida, S. F. P. (1 October 2003). "Assessment of Water Quality in the Caima and Mau River Basins (Portugal) using Geochemical and Biological Indices" (PDF). Water, Air, and Soil Pollution. 149 (1): 227–250. doi:10.1023/A:1025636106890. Retrieved 1 June 2025.

[1]