| Falacho River | |
| Pushpin Map: | Portugal topographic |
| Pushpin Map Caption: | Confluence of the Falacho River and the Arada River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Portugal |
| Subdivision Type3: | Region |
| Subdivision Name3: | Algarve |
| Subdivision Type4: | District |
| Subdivision Name4: | Faro |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Silves |
| Source1 Location: | Algarve |
| Source Confluence Location: | Arada River |
| Source Confluence Coordinates: | 37.179°N -8.4685°W |
| Mouth: | Into the Atlantic at Portimão via the Arada River. |
The Falacho River (pronounced as /pt/) is a small river in the Portuguese region of the Algarve and is a tributary of the Arade River with the river's confluence located west of the town of Silves.[1] [2]