古田溪为闽江下游北岸支流之一,河流盘旋,激流汹涌,全流域东西宽约40公里,南北长约70公里,总流域面积为1799平方公里。河流两岸丛山连绵,山脚梯田纵横,常青树全年披绿,农作物四季均可播种。流域的地质属火成岩,石质坚硬,气候属亚热带型,雨量充沛。古田溪属山溪性雨洪河流,洪水由暴雨形成,溪流源短流急,洪水来时,势凶时短,集 Gutian River is one of the tributaries of the north bank of the lower Minjiang River. The river circled and the rapids raged. The entire basin is 40 km wide from east to west and 70 km long from north to south. The total basin area is 1,799 km 2. Both sides of the river are rolling mountains and terraced fields, evergreen trees are covered with green throughout the year, and crops can be sowed in all seasons. Geological basin is igneous rock, hard rock, subtropical climate type, abundant rainfall. Gutian Stream is a torrent of creek rain floods, floods formed by heavy rain, stream short stream acute, when the flood, the potential fierce short, set