Unplanned development

Sri Lanka is blessed with an abundance of water resources, which include 103 rivers flowing radially from the central highlands to various regions of the country.  For many of these rivers, watershed areas are located in the central highlands. Watersheds (also known as drainage basins/catchment areas) absorb rain water and feed it into streams that join to form rivers. The abundant vegetation in the central highlands helps rainwater to be absorbed, and is a perfect natural system that