| View KML View WKT | United States Rivers |
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Little Sioux River
| States | Iowa (241 mi), Minnesota (17 mi) |
| Length | 257.8 miles |
| Watershed Length* | 991 miles |
| Mouth | Missouri River ⤏ Gulf of Mexico |
| GNIS | 657126 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Ashton Creek | 67 | 16 | 16 |
| Big Muddy Creek | 180 | 36 | 36 |
| Brooke Creek | 133 | 25 | 25 |
| Little Sioux River - West Fork | 232 | 25 | 37 |
| Lost Island Outlet | 175 | 10 | 31 |
| Maple River | 16 | 100 | 171 |
| Mill Creek | 100 | 65 | 131 |
| Ocheyedan River | 184 | 56 | 127 |
| Pierson Creek | 60 | 17 | 17 |
| Prairie Creek | 176 | 17 | 17 |
| Rock Creek | 78 | 21 | 21 |
| Waterman Creek | 119 | 43 | 43 |
| Willow Creek | 73 | 26 | 26 |
| Willow Creek | 159 | 35 | 35 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey