Las Piedras River
| Las Piedras River Río Tacuatimanu | |
|---|---|
Drone photo from lower Las Piedras River | |
| Location | |
| Country | Peru |
| Physical characteristics | |
| Mouth | Madre de Dios River |
| Length | 640 km (400 mi) |
The Las Piedras River (the "River of Stones") is a major tributary of the Madre de Dios River in the southeast Peruvian Amazon.