Giant flood gorge is also named man-made flood. Pump the water into an impounding reservoir which is about 2 meters higher than the water level. When there is 500 cubic meters water in the impounding reservoir, the PLC programming will control the valve to open. All the water in the impounding reservoir will rush out, and bring giant flood in the gorge. The height of the wave can up to 2 meters high, and the rate of flow is very quick. It makes people to experience the power of nature.