Nanu Oya
| Nanu Oya | |
|---|---|
| Country | Sri Lanka |
| Province | Central Province |
| Basin features | |
| Main source |
Pidurutalagala 2,000 m (6,600 ft) |
| River mouth | Kotmale Oya |
| River system | Mahaweli |
| Waterbodies | Lake Gregory |
| Physical characteristics | |
| Length | 27 km (17 mi) |
Nanu Oya is a 27 km (17 mi) long stream in the Central Province of Sri Lanka It originates from Pidurutalagala at an elevation of over 2,000 m (6,562 ft) and drains into the Kotmale Oya at an elevation of approximately 1,200 m (3,937 ft). The Kotmale Oya is a tributary of the Mahaweli River, the longest river in Sri Lanka, which finally discharges at Trincomalee after a combined distance of nearly 350 km (217 mi). The river was dammed in 1873 to create the popular Lake Gregory in Nuwara Eliya. The Nanu Oya discharges into the Kotmale Oya 2.5 km (1.6 mi) upstream of the Upper Kotmale Dam.
Coordinates: 06°56′39″N 80°44′44″E / 6.94417°N 80.74556°E
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