Kalu River

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Kalu Ganga
Kalu River 2.jpg
River Kalu in Ratnapura
Origin Adam's Peak
Mouth Kalutara
Basin countries Sri Lanka
Length 129 km (80 mi)
Source elevation 2,400 m (7,874 ft)
Mouth elevation Sea level
Basin area 2,766 km2 (1,068 sq mi)
Left tributaries Kukule River

Kalu River (Sinhalese: කළු ගඟ; literally: The Black River) is a river in Sri Lanka. Measuring 129 km (80 mi) in length, the river originates from Adam's Peak and reach the sea at Kalutara. The Black River flows through the Ratnapura and the Kalutara District and pass the city Ratnapura. The mountainous forests in the Central Province and the Sinharaja Forest Reserve are the main sources of water for the river.[1]

See also[edit]


  1. ^ [1] Development of a Flood Forecasting Model For Kalu River and Kelani River Basins in Sri Lanka using Radial Basis Function Neural Networks

Coordinates: 6°34′19″N 79°57′35″E / 6.57194°N 79.95972°E / 6.57194; 79.95972