Kotmale Oya

Kotmale River

Footbridge over the Kotmale Oya

Footbridge over the Kotmale Oya
Native name කොත්මලේ ඔය
Country Sri Lanka
Basin
Main source Horton Plains National Park
River mouth Pallegama
Progression Mahaweli River
Physical characteristics
Length 70 km (43 mi)

The Kotmale River [1] (Sinhalese: කොත්මලේ ඔය ) is the longest tributary of Mahaweli River. The river begins as the Agra Oya, in the Horton Plains. The Central Plains have an annual rainfall of between 125 and 200 inches a year. The river is approximately 70 km (43 mi) long and drains a basin of about 58,534 ha (226 square miles). The river flows through a traditional area of ancient villages and tea plantations. King Dutugemunu spent his youth here. The Kotmale Oya flows into the Mahaweli shortly at Pallegama. Tributaries of the Kotmale Oya include the Nanu Oya, the Pundalu Oya, the Puna Oya, and the Dambagastalawa Oya.

The river was dammed between 1979 and 1985 as part of a hydro-electric project within the Accelerated Mahaweli Ganga scheme. The opening ceremony took place in August 1985. Some 3,000 families had to be relocated top higher ground. The area has a history of geological instability.

See also

References

  1. ↑ "Kotmale River". 3 October 2015. Retrieved 22 October 2015.


Coordinates: 06°57′15″N 80°36′26″E / 6.95417°N 80.60722°E / 6.95417; 80.60722


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