Ivaí River
The 511th longest river in the world
The Ivaí River (Portuguese, Rio Ivaí) is a river of Paraná state in southern Brazil. It is a tributary of the Paraná River. Its official spelling is Ivaí, with variants including Ivahy and Ival. The river basin is ecologically very degraded, with fragile and vulnerable soil. It contains the 8,716 hectares (21, 540 acres) Perobas Biological Reserve, a strictly protected conservation unit created in 2006.
Flows through: Brazil.
River data from Wikidata (CC0); lengths normalised to a common unit.