Cajuúna River

Cajuúna River
River bay near Afuá
Location
CountryBrazil
StatePará
Physical characteristics
Mouth 
 • location
Vieira Grande Bay
Amazon River
 • coordinates
0°6′05″S 50°18′45″W / 0.10139°S 50.31250°W / -0.10139; -50.31250

The Cajuúna River (Portuguese: Rio Cajuúna) is a river of Marajó, which itself is an island in the Amazon Delta. It is located in the state Pará in northern Brazil.