Maximum discharge on the river today is recorded at the Grand River At Grand Rapids with a streamflow rate of 3,470 cfs. However, the deepest point on the river is located at the Grand River Near Sumner reporting a gauge stage of 10.76 ft. This river is monitored from 12 different streamgauging stations along the Grand River, the first of which is perched at an elevation of 10,170 ft, the Grand River Ditch At La Poudre Pass .