| Styx River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Source1 Coordinates: | 30.868°N -87.7744°W |
| Mouth Coordinates: | 30.5146°N -87.4503°W |
| Length: | 41.3miles |
The Styx River is a 41.3adj=midNaNadj=mid[1] river in the state of Alabama. It rises in Baldwin County near the town of Bay Minette in the southwestern part of the state and is a tributary to the Perdido River. It is named for the River Styx in Greek mythology. Where U.S. Highway 90 crosses the river by bridge, the attendant sign reads "Charon Retired".