The Otter Tail River is a 192-mile-long (309 km) river in the west-central portion of the U.S. state of Minnesota. It begins in Clearwater County, 40 miles (64 km) southwest of Bemidji. It then flows through a number of lakes and cities in Minnesota, including Elbow Lake, Many Point Lake, Chippewa Lake, Height of Land Lake, Frazee, the Pine lakes, Rush Lake, Otter Tail Lake and Ottertail, West Lost Lake, Fergus Falls, and Orwell Lake. At its mouth, it joins with the Bois de Sioux River to form the Red River between Breckenridge, Minnesota and Wahpeton, North Dakota. The Red ... Source: Wikipedia
Maximum discharge on the river today is recorded at the Otter Tail River Bl Orwell D Nr Fergus Falls with a streamflow rate of 1,020 cfs. However, the deepest point on the river is located at the Otter Tail River Near Elizabeth reporting a gauge stage of 7.48 ft. This river is monitored from 2 different streamgauging stations along the Otter Tail River, the first of which is perched at an elevation of 1,272 ft, the Otter Tail River Near Elizabeth .