Formoso River (Rondônia)
| Formoso River | |
|---|---|
| Native name | Rio Formoso (Portuguese) |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Source | |
| • location | Rondônia state |
| Mouth | |
• coordinates | 9°53′45″S 64°19′08″W / 9.895884°S 64.318890°W |
| Basin features | |
| River system | Jaci Paraná River |
The Formoso River (Portuguese: Rio Formoso) is a river of Rondônia state in western Brazil. It is a tributary of the Jaci Paraná River.
In its upper reaches the Formoso River defines the western boundary of the Guajará-Mirim State Park. The park has two support bases on the banks of the Formoso River that are used by researchers and inspection teams.