| Mandekal Aru | |
|---|---|
  | |
| Location | |
| Country | Sri Lanka |
| Province | Northern Province |
| Districts | Mullaitivu, Kilinochchi |
| Physical characteristics | |
| Source | |
| • location | Mullaitivu District |
| Mouth | Palk Bay |
• location | Kilinochchi District |
• coordinates | 09°27′N 80°09′E / 9.450°N 80.150°E |
| Length | 30 km (19 mi) |
| Basin size | 297 km2 (115 sq mi) |
The Mandekal Aru is a river in Northern Province, Sri Lanka. The river rises in the western Mullaitivu District, before flowing north through Mullaitivu District and Kilinochchi District. It empties into Palk Bay.[1]