| South River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Iowa |
| Subdivision Type4: | District |
| Subdivision Name4: | Warren County |
| Discharge1 Location: | Ackworth, Iowa |
| Discharge1 Avg: | 295 cu/ft. per sec.[1] |
| Source1 Location: | US |
| Source1 Coordinates: | 41.3165°N -93.744°W |
| Mouth Location: | US |
| Mouth Coordinates: | 41.487°N -93.342°W |
South River is a river in the U.S. state of Iowa that stretches for 61.3miles.[2] It is a relatively small river, rarely exceeding a width of 30feet or a depth of .
The river ultimately merges with the Des Moines River and subsequently flows into Lake Red Rock.
South River offers many sources of leisure activities such as fishing and swimming. The river holds catfish (of all sorts), bass, bluegill, carp, gar, drum, and many other less common species. It is also a great place to go swimming in the summer.