| View KML View WKT | United States Rivers |
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Rock River
| States | Iowa (52 mi), Minnesota (91 mi) |
| Length | 143.4 miles |
| Watershed Length* | 616 miles |
| Mouth | Big Sioux River ⤏ Gulf of Mexico |
| GNIS | 460744 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Burr Oak Creek | 24 | 16 | 16 |
| Champepadan Creek | 76 | 38 | 38 |
| Chanarambie Creek | 100 | 29 | 29 |
| Dry Run Creek | 14 | 17 | 17 |
| Elk Creek | 63 | 29 | 29 |
| Kanaranzi Creek | 46 | 56 | 72 |
| Little Rock River | 26 | 72 | 167 |
| Mud Creek | 27 | 40 | 40 |
| Poplar Creek | 98 | 19 | 19 |
| Rock River - East Branch | 123 | 17 | 17 |
| Tom Creek | 45 | 29 | 29 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey