Big Sioux River

Catchment area of ​​the Big Sioux River

Falls in Sioux Falls

The Big Sioux River rises in Roberts County, South Dakota. Then it flows through the County's Grant, Codington, Hamlin, Brookings, Moody and Minnehaha. In Sioux Falls, the river forms a waterfall, which gave its name to the city. According to Brandon, the river flows along the border of the two states.

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