| Sumidouro River | |
|---|---|
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Source | |
| • location | Santa Catarina state |
| Mouth | Lava-Tudo River |
• coordinates | 28°7′S 50°0′W / 28.117°S 50.000°W |
The Sumidouro River is a river of Santa Catarina state in southeastern Brazil. It is part of the Uruguay River basin and a tributary of the Lava-Tudo River.