__NOTOC__ Nilwala is a river in Southern Province in Sri Lanka. It originates from

Sinharaja Forest Reserve Sinharaja Forest Reserve is a forest reserve and a biodiversity hotspot in Sri Lanka. It is of international significance and has been designated a Biosphere Reserve and World Heritage Site by UNESCO. According to International Union for Conser ...

and drains to sea at Matara. The river is long and has a drainage basin of .

Tributaries

* Kotapola Oya * Urubokke Oya (Diversion) * Hulandawa Oya * Siyambalagoda Oya

References

{{Inland waters of Sri Lanka Bodies of water of Matara District Bodies of water of Ratnapura District Rivers of Sri Lanka