In the past, Chumphon province faced the problem of flooding. Chumphon Parisians died and property damage every year. The King idea how to fix the problem. Project of Canal head Wang – flap lap. To drain water from the Canal, which flows from the mountains tanaosri Chumphon, so that rain water does not flow into the sea, through to the city centre. Since the project, completed in Chumphon province have never flood.