the sinharaja forest is the only undisturbed rainforest left in sri lanka.It is about 9000 hectares in extent.Many of the plonts are very rare.over 60% of the trees species are found only in the lowland wet zone of sri lanka.If these species of trees are allowed to get detroyed ,the world lose them altogether.made to conserve this rich,valuabel and fragile and fragile habitat.