Take a guided trekking tour to Kanneliya Forest Reserve, located in the Galle district. This is the largest of the Kanneliya-Dediyagala-Nakiyadeniya, forest complex. Kanneliya rain forest covers an extent of 10,140 hectares and identified as one of the richest areas in terms of flora in the whole of South Asia. Usually the streams are running with their full force of water through the jungle and create beautiful cascades and sceneries.