CaolanRiveroriginatedinChiayiCountyDapuTownshipSanminTownship,KaohsiungCountyinthemountainsatthejunctionofthewatersentintothemountains,notmanypeopleknow,stillwearsacloakofmystery,fulloforiginalnaturalflavor.Sedimentcontroldams,TsengwencutintoSec,dozensofmetershighandthegap,theformationoftwolayersofspectacularartificialwaterfall,waterfallintheCaolanRiverwithTsengwenwilllongjumpdrawbridgebyCaolanRiversedimentretentiondamseemorewavesofmomentum,moredistantvalleytortuousextension,itcannothelpbutpraisethewondersofnature.