Piaçaca River is a river of
Amapá state in
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
. It is a tributary of the
Vila Nova River which in turn is part of the
Amazon River basin.
Rivers of Amapá
{{AmapáBR-river-stub