How the 2016 Kelani River Basin Flood Spread – Map

November 28, 2025 at 11:51 PM

Authorities have issued a heightened flood alert for the Kelani River Basin, warning that the current situation driven by Cyclone Ditwah could surpass the devastating flood conditions experienced in 2016.

A map showing the flood spread from the 2016 Kelani River Basin disaster is being circulated as a reference, with officials cautioning that rising water levels could be more rapid and extensive this time due to continuous heavy rainfall and intensified weather patterns.

Full PDF

https://survey.gov.lk/sdweb/pdf/flood_map/Flood_Map_2016_June_03_kelaniya.pdf