| Black River | |
| Source1 Location: | Montgomery Township, Gibson County, Indiana |
| Source1 Coordinates: | 38.2408°N -87.6953°W |
| Mouth Location: | Bethel Township, Posey County, Indiana |
| Mouth Coordinates: | 38.1742°N -87.9208°W |
| Progression: | Black River → Wabash → Ohio → Mississippi → Gulf of Mexico |
| Source1 Elevation: | 443feet |
| Mouth Elevation: | 371feet |
| Length Mi: | 20 |
| Custom Label: | GNIS ID |
The Black River is a 19.6adj=midNaNadj=mid[1] river with headwaters located just south of Owensville, Indiana. It flows southwest through southwestern Gibson County and northwestern Posey County under Interstate 64 between Poseyville and Griffin before emptying into the Wabash River just north of New Harmony.