Ivaí
Ivaí is a mapped river in the YearMaps hydrographic index. River courses organise settlement, agriculture and frontier-making more durably than any political boundary, and this reach is indexed against the dams, lakes and cities within its catchment.
- Feature Class
- River
- Coordinates
- -23.90°, -51.92°

About Ivaí
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.
Encyclopedic summary adapted from Wikipedia: Ivaí River (CC BY-SA 4.0).
Ivaí: Key Facts
| Length | 685 km |
|---|---|
| Drainage basin | 36,622 km² |
| Mouth | Paraná River |
| Drainage system | Río de la Plata Basin |
| Tributaries | Córrego Duzentos e Quinze, Arurão River, Tapiracuí River |
Facts from Wikidata Q2717631 (CC0).
Major River Dossiers
Hand-written studies of the great river systems of history.
Connected Reaches
Nearby watercourses in the same drainage network.
Water Bodies in the Catchment
Settlements Along the Reach
Hydraulic Infrastructure Nearby
Surrounding Terrain
Ivaí: Quick Answers
- Where is Ivaí?
- Ivaí is located in Brazil, at 23.8982° S, 51.9173° W.
- Are there dams on the Ivaí?
- No dam on the Ivaí is recorded in the YearMaps dam index, which covers major structures only.