| Valderaduey | |
|---|---|
 Valderaduey river near its mouth in the Duero river, during a flooded period | |
 Location of Valderaduey | |
| Native name | Río Valderaduey (Spanish) |
| Location | |
| Country | Spain |
| Autonomous community | Castile and León |
| Province | León, Valladolid, Zamora |
| Physical characteristics | |
| Mouth | Douro |
• location | Zamora |
• coordinates | 41°30′46″N 5°42′30″W / 41.5129°N 5.7082°W |
| Length | 158 km (98 mi) |
| Discharge | |
| • location | Duero river, Zamora municipality |
The Valderaduey is a river in central Spain which flows into the Douro on its right bank. In the year 949, an earthquake altered the course of the river.[1]