| Nay Aru | |
| River | |
| Country | Sri Lanka |
|---|---|
| State | Northern Province |
| District | Vavuniya District Mannar District |
| Source | Vavuniya District |
| Mouth | Palk Bay |
| - elevation | 0 m (0 ft) |
| Length | 40 km (25 mi) |
| Basin | 560 km2 (216 sq mi) |
Nay Aru (or Nai Aru) is a river in Northern Province, Sri Lanka. The river rises in south-west Vavuniya District, before flowing north/north-west through Vavuniya District and Mannar District. The river empties into Palk Bay.
|
|||||