Nanu Oya

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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.[1][2] The Nanu Oya discharges into the Kotmale Oya 2.5 km (1.6 mi) upstream of the Upper Kotmale Dam.

See also[edit]


  1. ^ Wijesinghe, Pushpitha (16 April 2012). "Gregory Lake". Retrieved 2 January 2016. 
  2. ^ Siriwardena, Wasantha (2 January 2012). "'Waterfall Tour' offers spectacular sights in and around scenic Nuwara Eliya region". The Island. Retrieved 2 January 2016. 

Coordinates: 06°56′39″N 80°44′44″E / 6.94417°N 80.74556°E / 6.94417; 80.74556