| Valukkai Aru | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Sri Lanka |
| Subdivision Type2: | Province |
| Subdivision Name2: | Northern Province |
| Subdivision Type3: | District |
| Subdivision Name3: | Jaffna District |
| Length: | 16km (10miles) |
| Source1 Location: | Jaffna District |
| Mouth: | Jaffna Lagoon |
| Mouth Location: | Jaffna District |
The Valukkai Aru is a seasonal river in Northern Province, Sri Lanka.[1] The only river on the Jaffna Peninsula, it rises near Tellippalai, before flowing south-west through Kandarodai, Sandilipay and Vaddukoddai. The river empties into Jaffna Lagoon near Araly.[2]