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Guapiaçú River
Native name	Rio Guapiaçú (Portuguese)
Location
Country	Brazil
Physical characteristics
Source
• location	Rio de Janeiro state
Mouth
• location	Macacu River, Itaboraí, RJ
• coordinates	22°39′18″S 42°54′23″W / 22.654946°S 42.906334°W / -22.654946; -42.906334

The Guapiaçú River (Portuguese: Rio Guapiaçú, sometimes Guapi-Áçu River) is a river of Rio de Janeiro state in southeastern Brazil. It is a tributary of the Macacu River.

The Guapiaçú River forms part of the eastern boundary of the 15,582 hectares (38,500 acres) Guapi-Guapiaçú Environmental Protection Area, created in 2004. It rises in the Serra do Mar between Nova Friburgo and Cachoeiras de Macacu. In its lower reaches, it defines the boundary between the municipalities of Cachoeiras de Macacu to the east and Guapimirim to the west.

See also

• List of rivers of Rio de Janeiro

References

1. Área de Proteção Ambiental Guapi-Guapiaçú – RBMA, p. 1.

Sources

• Área de Proteção Ambiental Guapi-Guapiaçú (PDF) (in Portuguese), RBMA: Reserva da Biosfera da Mata Atlântica, retrieved 2016-10-10

• v
• t
• e

• Rivers of Rio de Janeiro (state)
• Rio de Janeiro (state) river stubs